OT-2026-000090373
Publication integrity record
Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000090373) never changes.
Identity and time
| Publication number | OT-2026-000090373 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-76a6-9713-9432f53c3bc5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090373 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55fdf39e2c58c8c94a2f01709379790b3930391e5a9d989e649fc12db9bb13af |
|---|---|
| Markdown | 13fa10045c0ba5a80b5e0b7d4da6ad79a2eedd7b83c8850e7c07d49a98d8a1c5 |
| Publication page | 31a6aff319cc61c0bcfcb27854767ef8e54aa2b8535f0ca0085b9d64a1d19a00 |
| Manifest | c441e5ca9d109d2b89b41dd5c4e5bff58f40ae0ea15b32eb3a09c11386abe3e3 |
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 | g5IUZk7C7Ep139dN538xgY3D7LXM4wDap252bgGeqmXUZB/UybLG0GwZEkABYelUtBlBeW00XNpKLaTbLiDqAA== |
| 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
| 2026-09-17T09:44:28.594948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090373observed 31a6aff319cc61c0bcfcb27854767ef8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:28.574087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090373/manifest.jsonobserved c441e5ca9d109d2b89b41dd5c4e5bff5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:28.554690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090373/publication.mdobserved 13fa10045c0ba5a80b5e0b7d4da6ad79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:28.536491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090373/publication.txtobserved 55fdf39e2c58c8c94a2f01709379790b...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. |
|---|