OT-2026-000077399
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000077399) never changes.
Identity and time
| Publication number | OT-2026-000077399 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f509-7c5c-8691-05d7b533835c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077399 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c1717bc52432179e9db110d0c090510882858d13f7bf7948720c8f273627bd3 |
|---|---|
| Markdown | c1ed77498c134179b75ad0a74b0a72c8ee1794182b2fd0837c5bed41d6af1685 |
| Publication page | bb63bbfdcbbbd92ecfad3b89ac7174e40bc91926a860e5cf7a7b4662190a253e |
| Manifest | beb68d7f4295ac7536569ba34aac6b792a392420dc971be00e6852ef4c6773c1 |
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 | Lp1gEX4a/qaKoHf/q9nMJM6qIbiiX4CvmDewYuiy7uJyrmaDHkyFAlDZx+BZdgReXLKOUEpY0L8vSbbulAyMDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:09:02.813450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077399observed bb63bbfdcbbbd92ecfad3b89ac7174e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:02.792972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077399/manifest.jsonobserved beb68d7f4295ac7536569ba34aac6b79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:02.772215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077399/publication.mdobserved c1ed77498c134179b75ad0a74b0a72c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:02.718133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077399/publication.txtobserved 5c1717bc52432179e9db110d0c090510...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. |
|---|