OT-2026-000056788
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000056788) never changes.
Identity and time
| Publication number | OT-2026-000056788 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af7-7ee5-b674-d13a85ec44e2 · 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-2026-000056788 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ad28f072e16eba0913377a4530224c663668b2e6442193a054abf3d4b94edb8 |
|---|---|
| Markdown | 161839ace3b92ca4897da22a44a45d9d91198b95c3d4ef3366d3624553a2cc9f |
| Publication page | 17bd4b626ddb876558388828e982598a5d9715e846ae2ff0111b2a41779f7f87 |
| Manifest | 4dab54d82a41c251f29a93f6f707a00030da65856711b6d334a6110aa1a64a3c |
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 | qeS+FlhgP1CanI9JFLPaGDw2HfYEEX2IbUYkBR55TO9rwO5Ouk2/86XnikB7JNQsWq5rc+I2J2Nk/pzv8KB7Dg== |
| 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
| 2026-09-17T10:50:16.070851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056788observed 17bd4b626ddb876558388828e982598a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:16.052268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056788/manifest.jsonobserved 4dab54d82a41c251f29a93f6f707a000...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:16.034378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056788/publication.mdobserved 161839ace3b92ca4897da22a44a45d9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:16.016388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056788/publication.txtobserved 1ad28f072e16eba0913377a4530224c6...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|