OT-2026-000021315
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off 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-2026-000021315) never changes.
Identity and time
| Publication number | OT-2026-000021315 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7333-9701-ced7269790ee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021315 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6147fe0dea8a8f1cea6a7f53ba7a35db58e2edadd4b2d0130f154b17514ccf3f |
|---|---|
| Markdown | 0c2ea4ddc29a2e63ccda083771ae75bbc1ea305b6349487bab0edb26cdda7f1e |
| Publication page | ab53bf1951f7cbb73935abdb7e3f6d23c671569a88aab11b515167e64ca88e28 |
| Manifest | 1c10ccca0e087ff8f00c592d866fadd9919501038ed100ffb3d82086923b5008 |
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 | ygT7+Z+fCVchg71BeAWgegrd2TISh+3n78tZAZXQw8neaYA1DmmidzRe5MxAOQ47KUufiwP1hpaMM7yJPr/2CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:48.907670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021315observed ab53bf1951f7cbb73935abdb7e3f6d23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:48.891594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021315/manifest.jsonobserved 1c10ccca0e087ff8f00c592d866fadd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.874284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021315/publication.mdobserved 0c2ea4ddc29a2e63ccda083771ae75bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.829817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021315/publication.txtobserved 6147fe0dea8a8f1cea6a7f53ba7a35db...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. |
|---|