OT-2026-000028691
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000028691) never changes.
Identity and time
| Publication number | OT-2026-000028691 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-74f0-abcd-658dff384e4b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028691 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffaaee41e997c3b14a5fd493ca3bac27ce587dc9159d6d2621a0808f1af1eb1e |
|---|---|
| Markdown | 9cf4b22a27c871fd4efb66e38e359fce05c6bac881d2448f462da2206ce8ec2e |
| Publication page | 7f39ff030bbcf3c632207df62ae9f24838707455aad3f9b378d5e70beb05369c |
| Manifest | fb93a00364fc29881f315dc8d70bd9efbe7abef89304f169bc723be740a7e859 |
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 | 5d99fDCXwBcvs3kIeDioJ+OHXpvEVM2+oQytGsSv4uKIrPdY2qTkQraEM1Ij7TyJtV76vT12ZDcYG458YAupDQ== |
| 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
| 2026-09-17T11:41:40.958972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028691observed 7f39ff030bbcf3c632207df62ae9f248...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:40.936142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028691/manifest.jsonobserved fb93a00364fc29881f315dc8d70bd9ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:40.916098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028691/publication.mdobserved 9cf4b22a27c871fd4efb66e38e359fce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:40.893237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028691/publication.txtobserved ffaaee41e997c3b14a5fd493ca3bac27...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. |
|---|