OT-2026-000043397
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000043397) never changes.
Identity and time
| Publication number | OT-2026-000043397 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327e-7a71-ad35-ed2c20594f21 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043397 |
| Status | PUBLIC |
Content hashes
| Canonical text | e80bed9a3470a0674f6ad53a9ab202ab0acb5e1e74b15d100a7668e614d18135 |
|---|---|
| Markdown | 330c5876c1a831210987520d0cd0d93efa0cf46c74f9504e06941cb72e23d754 |
| Publication page | 747cbf01c0f031725590c8d76ded2058e14ea780815993a3a7d674ea2d855ff0 |
| Manifest | 0120295d5798343c3e54598813e2ec8c5e595225051dcc34ff8773c5889ea353 |
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 | wJXQShIrVuj0efQ4Zfelas5DWJ7ytdQqlinvtHCMVDZNKH5PtOoLJWGNmdjzSGGVrFxgQa5UFXjC3F5FMJUvCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-12T16:41:27.263170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043397observed 747cbf01c0f031725590c8d76ded2058...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T16:41:27.190137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043397/manifest.jsonobserved 0120295d5798343c3e54598813e2ec8c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:27.115507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043397/publication.mdobserved 330c5876c1a831210987520d0cd0d93e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:27.060797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043397/publication.txtobserved e80bed9a3470a0674f6ad53a9ab202ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:55.059333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043397observed 747cbf01c0f031725590c8d76ded2058...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:55.004812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043397/manifest.jsonobserved 0120295d5798343c3e54598813e2ec8c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:54.846053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043397/publication.mdobserved 330c5876c1a831210987520d0cd0d93e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:54.772171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043397/publication.txtobserved e80bed9a3470a0674f6ad53a9ab202ab...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 |
|---|