OT-2026-000028503
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000028503) never changes.
Identity and time
| Publication number | OT-2026-000028503 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-78e7-8250-4ba2e53232a4 · 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-2026-000028503 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5598bd23695c15c7dbfea385dff9772bbe625c30b426d468024c155b2d8a48db |
|---|---|
| Markdown | e6de50a7c2b2f0957116c9d2a7d6d82e11fcbd6b468becd801943b0748b22d2e |
| Publication page | 3fba7302fc19c3fe16ec6dbcf6787fc9c678bff8b992e2d32bbee1da93fe8219 |
| Manifest | ac07905a3f3b8fac46b11b7003d1f0afe6453c2e0029b208228c31b4cb21cb29 |
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 | cSKtpyClmiPwfw3iN4JYnWRUgNtIp3dbOFxgwSKkcT8jAKSGQTs90QX8OpYOfFcoc4KQNTLathwu/6znEp/IAQ== |
| 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
| 2026-09-17T11:40:45.971669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028503observed 3fba7302fc19c3fe16ec6dbcf6787fc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:45.954289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028503/manifest.jsonobserved ac07905a3f3b8fac46b11b7003d1f0af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.935759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028503/publication.mdobserved e6de50a7c2b2f0957116c9d2a7d6d82e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.914642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028503/publication.txtobserved 5598bd23695c15c7dbfea385dff9772b...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. |
|---|