OT-2026-000090741
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000090741) never changes.
Identity and time
| Publication number | OT-2026-000090741 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-7bd0-952b-964d7567e5e9 · 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-2026-000090741 |
| Status | PUBLIC |
Content hashes
| Canonical text | 981add9810bd71f256b86b1b4a070f5bb4619f2c65d38ed80b4b939852cc998f |
|---|---|
| Markdown | 4d4667f6dbe47a8d067ea14ebc71261bc4f5d938cc83e0bd608d8a2f5a05c097 |
| Publication page | b34c2475a11dc8b87b6e3b08c58b96d59cb9a34fc7421ab05c88ffb8df1da10f |
| Manifest | da27de12d589ec3b00ec0e9425b0ff5599c5f8c1a8458ae99430c670c27dd7e1 |
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 | ZgV7MeVa5OwGnfObTPkRYDthmoxYkDkU4n1g7T397Ymux35bltb2QcoLNAMfqc8wdlDgTyouAkTWu8QTcUmcCA== |
| 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
| 2026-09-17T09:44:55.902210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090741observed b34c2475a11dc8b87b6e3b08c58b96d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:55.885266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090741/manifest.jsonobserved da27de12d589ec3b00ec0e9425b0ff55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:55.866445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090741/publication.mdobserved 4d4667f6dbe47a8d067ea14ebc71261b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:55.847067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090741/publication.txtobserved 981add9810bd71f256b86b1b4a070f5b...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. |
|---|