OT-2026-000003512
Publication integrity record
Vacuum gripper with vent controlled release at the set-down position
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-2026-000003512) never changes.
Identity and time
| Publication number | OT-2026-000003512 · never reused |
|---|---|
| Internal UUID | 01a0a906-e338-7291-b9e6-9fa93ac09088 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:16.027442Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003512 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25f8bff13f4a312b655220bebf5cb291d7607e4693ad370381f16aa9b232096a |
|---|---|
| Markdown | cea2363de5f4d33e74af82510861d51fbbc3037543875040324bb0eef1c90f76 |
| Publication page | 807b5b86a908d8f58341e2fd75ffe113221d3c1959ecabfc75acdb6ac2d50c0f |
| Manifest | 1d090c302f89522059b37fc54bfceb92c86b15dd27835aa81a018045b3c87093 |
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 | tLZCpvFpUMhD2ibet97e9Mk390O11RD2RnS0mUjSGCs6wbfGDOFUq0snagECXM2ktym/4JYrqJ5A6YEkmmuxAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:33.456505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003512observed 807b5b86a908d8f58341e2fd75ffe113...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:33.441529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003512/manifest.jsonobserved 1d090c302f89522059b37fc54bfceb92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.426331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003512/publication.mdobserved cea2363de5f4d33e74af82510861d51f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.410533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003512/publication.txtobserved 25f8bff13f4a312b655220bebf5cb291...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. |
|---|