OT-2026-000085947
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before set-down
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-2026-000085947) never changes.
Identity and time
| Publication number | OT-2026-000085947 · never reused |
|---|---|
| Internal UUID | 01a0ae99-e82a-7c91-9e75-d0c90fcc57c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:01:57.178584Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000085947 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4732cbfe8eb4ee1ee9ff109b7f6f7d30c7eb24131b3ab964383c459117f46559 |
|---|---|
| Markdown | e8807edafe8bbd36758a008c90b17efad5ef8b16d8268ebcdff6528492a5e165 |
| Publication page | 41cfdf228cad97654aa19e9290193f439b38e44b5035bf6117d88593676a05ca |
| Manifest | 08b627ca9c69df22ccc102bd838f5ed813f3ff0436bcc5b70c4b5054ab11237b |
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 | Y+73v/4l2t6sAH7TCLpvDFoRwQE3h4RmbeE2d8eDGNGepX5LDr1/5Y9ZJAvz/YzfIJ0Nv9c5ksO29mKSye78Ag== |
| 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
| 2026-09-21T16:41:17.499922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085947observed 41cfdf228cad97654aa19e9290193f43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-21T16:41:17.444609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085947/manifest.jsonobserved 08b627ca9c69df22ccc102bd838f5ed8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:17.387284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085947/publication.mdobserved e8807edafe8bbd36758a008c90b17efa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:17.314829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085947/publication.txtobserved 4732cbfe8eb4ee1ee9ff109b7f6f7d30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:52:54.358403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085947observed 41cfdf228cad97654aa19e9290193f43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:52:54.341089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085947/manifest.jsonobserved 08b627ca9c69df22ccc102bd838f5ed8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:52:54.323598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085947/publication.mdobserved e8807edafe8bbd36758a008c90b17efa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:52:54.306018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085947/publication.txtobserved 4732cbfe8eb4ee1ee9ff109b7f6f7d30...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|