OT-2026-000004923
Publication integrity record
Porous face vacuum gripper, three stage ejector, contact triggered on the face
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-2026-000004923) never changes.
Identity and time
| Publication number | OT-2026-000004923 · never reused |
|---|---|
| Internal UUID | 01a0a927-f4b8-796b-9a89-6690f03d3e32 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:23.199555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004923 |
| Status | PUBLIC |
Content hashes
| Canonical text | e69544a8dc2e453d70f7cfcf7f27cbd8f17a30e907b4e850328af1f1be927c68 |
|---|---|
| Markdown | 1572e55dab8a46a4bdf31a5f3dffae12f7166e171633d525b68559e77f17ef15 |
| Publication page | 8a710b2bb0d98b269a578280c3555879e3b925230ae12679a941ce71215b4f60 |
| Manifest | 0161119dd0f53eb11169d9a0384130057a801cd560d2875d9f28b84206952435 |
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 | j7eFgYwRrar9nI62PttNzC8DPBWO5eo6LwqgfOIyF7L0VG6CYCw6FbmuHGiyr6ybPgeBrQOeU1sX6TC06TjFBw== |
| 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
| 2026-09-16T07:40:04.239950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004923observed 8a710b2bb0d98b269a578280c3555879...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:04.226560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004923/manifest.jsonobserved 0161119dd0f53eb11169d9a038413005...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:04.213675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004923/publication.mdobserved 1572e55dab8a46a4bdf31a5f3dffae12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:04.201367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004923/publication.txtobserved e69544a8dc2e453d70f7cfcf7f27cbd8...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. |
|---|