OT-2026-000072891
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072891) never changes.
Identity and time
| Publication number | OT-2026-000072891 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89db-7d09-9c66-7bd6d43cb2bf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3d5c7b80f335e3228f44aa1342e758916e0d9b797f0966aed4b685d6e69d399f |
|---|---|
| Markdown | 62f8b224a446baf1983747bd5cd9a819533c70ea02a381f05c01a28a0d59edca |
| Publication page | e423514b1ed817d7f6a5a919f5b2f6d8bb90cb682b6eca436bb8561e0c994159 |
| Manifest | 331ad65ee5e54ba35e7b2bc76213b44a13db9a7f3d210124faa33c15db1b4c5e |
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 | pjNuz8efV+ivr6ACiKeoiIsRfBNhj9yoxin0CM33CvAof6W1wwjLb3Zt8Hxs4lAAKu2fTXwrA+2Ck3YVM/IMDQ== |
| 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
| 2026-09-17T10:22:49.285953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072891observed e423514b1ed817d7f6a5a919f5b2f6d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:49.269044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072891/manifest.jsonobserved 331ad65ee5e54ba35e7b2bc76213b44a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:49.252149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072891/publication.mdobserved 62f8b224a446baf1983747bd5cd9a819...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:49.235373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072891/publication.txtobserved 3d5c7b80f335e3228f44aa1342e75891...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. |
|---|