OT-2026-000005643
Publication integrity record
Vacuum cup gripper, three outlet manifold, pump fed, pressure verified, vented before set down
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-2026-000005643) never changes.
Identity and time
| Publication number | OT-2026-000005643 · never reused |
|---|---|
| Internal UUID | 01a0a940-00f2-794e-90e6-4cbf5d6dd95e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:05:39.189239Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005643 |
| Status | PUBLIC |
Content hashes
| Canonical text | 42837a36670376bfe57603ae171e93b14a251d2045b59409dceaea664e46541d |
|---|---|
| Markdown | 5b129f88c6d4b035f561414055b0df253ce76932fa529e247ada859137d3410e |
| Publication page | bb0373d95c4e59530cecf3204f5a9815d10ed612cc3bb3529fa92156409f358a |
| Manifest | 2e5655a19f52b442d38e98062684b7c339ef8f70a9c1b231c781dd170a4eb232 |
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 | iXbx+7ftoor9T0Cqu1xKYNLmt3yHdVTGaX6k+yg8TlABnd9eDoxN+dlXY1+7WEUHHManmtoIhvW9P6YZmuyGCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:17.159832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005643observed bb0373d95c4e59530cecf3204f5a9815...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:17.141989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005643/manifest.jsonobserved 2e5655a19f52b442d38e98062684b7c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:17.124630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005643/publication.mdobserved 5b129f88c6d4b035f561414055b0df25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:16.986490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005643/publication.txtobserved 42837a36670376bfe57603ae171e93b1...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. |
|---|