OT-2026-000028352
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, sustained 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-2026-000028352) never changes.
Identity and time
| Publication number | OT-2026-000028352 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7b09-9bc2-01630783cabc · 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-2026-000028352 |
| Status | PUBLIC |
Content hashes
| Canonical text | c8810e75200ce9a972c170115a724f13369f6eb58f15aac3b678a0c05c300129 |
|---|---|
| Markdown | aa8cb26eb615dbf9930ee70aa1940aff778db1af9966e5211f71f5de22cb33a3 |
| Publication page | de645ad83f7c1c71ad0adebbf0579e8a719aff048d36e808c56ee315bc307f3b |
| Manifest | 01dfebd48be47c203672bc8125d011038470b5a2e22e4f86d21f4966972183e2 |
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 | mXFGeUhCxtj/tfPdRpuEqO5Ze7ZwbwrO4iLKvwfI+O0SZwgyXx53BLdFDE25vjw0v/uAkXpcIOpfIMy56QF/BQ== |
| 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
| 2026-09-17T11:40:21.737339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028352observed de645ad83f7c1c71ad0adebbf0579e8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:21.719553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028352/manifest.jsonobserved 01dfebd48be47c203672bc8125d01103...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.699431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028352/publication.mdobserved aa8cb26eb615dbf9930ee70aa1940aff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.681188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028352/publication.txtobserved c8810e75200ce9a972c170115a724f13...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. |
|---|