OT-2026-000090473
Publication integrity record
Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000090473) never changes.
Identity and time
| Publication number | OT-2026-000090473 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7768-a2d8-13cb31feb0a6 · 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-2026-000090473 |
| Status | PUBLIC |
Content hashes
| Canonical text | 915554695228c1a497dae9dd3417c97ff2b06379b1c860c4ca44ff522fea4e1b |
|---|---|
| Markdown | 45d760b883cb1dd3c8f808c40dfd7ec3d6fbae2beb21f6d9d4c19c91047dd78a |
| Publication page | 5fe82e1c7145ff751881486b23b6601cf12ac246ce66201c4da8eecfdfc86884 |
| Manifest | fae2a717c7c62751483958cf535182fc39e2ff5ad015ca3e9e4f8cbb99870267 |
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 | Di6ztX63VRlJQ8X3kTzuS/x/a4trfjOl1TTZPN3Iu7REFzcsnpE1QTbftqpHnbTQ8jXRcO31OeuKQ+oFz69VAQ== |
| 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
| 2026-09-17T09:44:36.036510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090473observed 5fe82e1c7145ff751881486b23b6601c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:36.019406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090473/manifest.jsonobserved fae2a717c7c62751483958cf535182fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:35.999534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090473/publication.mdobserved 45d760b883cb1dd3c8f808c40dfd7ec3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:35.982553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090473/publication.txtobserved 915554695228c1a497dae9dd3417c97f...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. |
|---|