OT-2026-000004989
Publication integrity record
Vacuum cup gripper, common isolation valve, three stage ejector, pressure verified, contact triggered
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-2026-000004989) never changes.
Identity and time
| Publication number | OT-2026-000004989 · never reused |
|---|---|
| Internal UUID | 01a0a92a-34ab-744d-aae8-a55d3935587b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:50.639361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004989 |
| Status | PUBLIC |
Content hashes
| Canonical text | da20376b35677e59f67ba83b9bae9da871564e09fea9927b87ea726e12dbff9e |
|---|---|
| Markdown | ee2d1c2bc9f9d40f95c299e3bf34fb1dfecae62c3038fcde354560ba7e57f06e |
| Publication page | d96756618e67047a6865a5790edc2be34611554260fd9052131622f987605898 |
| Manifest | 56fbc7b128f5902c567a5c0bf762165e2f65e9ec6032856795c1c84071969a13 |
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 | 4+aLS6koUTz3tjI2sT25ydHKMhJyKhCGkZUup0HmE4ijrXRCdd/BCZHPQAzoIP5IMB0oe5PVSXOQ4YpvUX7wCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:27.629332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004989observed d96756618e67047a6865a5790edc2be3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:27.502960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004989/manifest.jsonobserved 56fbc7b128f5902c567a5c0bf762165e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:27.490448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004989/publication.mdobserved ee2d1c2bc9f9d40f95c299e3bf34fb1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:27.476594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004989/publication.txtobserved da20376b35677e59f67ba83b9bae9da8...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. |
|---|