OT-2026-000056612
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056612) never changes.
Identity and time
| Publication number | OT-2026-000056612 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af5-729e-9f1e-34dd2bc7b33c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056612 |
| Status | PUBLIC |
Content hashes
| Canonical text | b18a7d5d64b52c9a47d118ab305ed523606da7f30908fefceae57c728053b4d3 |
|---|---|
| Markdown | 357c3f6ae45d262476d456dce551ae8cfa4f243f5bfda888eae1afb8f9046c5e |
| Publication page | 4d4eb8f001a13d6883ba89455ae2f9020eaaaf5dfec4d1e25a2525451fe3faef |
| Manifest | ec9bb417603e6bb4bc5bf2037fd438f074f1f1ecbadc96f23cbffeaf5967395a |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | NMLEQNMSD/6R0G1LtWz33/UUEtLIZpOqbiNZe06pEeSj1w0P9I1k+NmeKF1Xyj63Fi4dwIsuCwdqxIpJMd54Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-04T00:41:23.903122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056612observed 4d4eb8f001a13d6883ba89455ae2f902...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T00:41:23.830085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056612/manifest.jsonobserved ec9bb417603e6bb4bc5bf2037fd438f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:23.765427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056612/publication.mdobserved 357c3f6ae45d262476d456dce551ae8c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:23.579768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056612/publication.txtobserved b18a7d5d64b52c9a47d118ab305ed523...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:57.264709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056612observed 4d4eb8f001a13d6883ba89455ae2f902...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:57.214867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056612/manifest.jsonobserved ec9bb417603e6bb4bc5bf2037fd438f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:57.144758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056612/publication.mdobserved 357c3f6ae45d262476d456dce551ae8c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:57.076104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056612/publication.txtobserved b18a7d5d64b52c9a47d118ab305ed523...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|