OT-2026-000073555
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000073555) never changes.
Identity and time
| Publication number | OT-2026-000073555 · never reused |
|---|---|
| Internal UUID | 01a0ae92-efb9-7efb-a6cd-4fedc7141e8f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:20.363042Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073555 |
| Status | PUBLIC |
Content hashes
| Canonical text | a72405c550d69f6b9be2435e1a982b1c8cff32a9e9921306136309df837467fe |
|---|---|
| Markdown | f058c156c45d8cb63602ac2f44bf7b2abc881cf74429fc1ac1e2cceae51a181e |
| Publication page | fdc45d8f7cbb906066e351459990897d409adb386ea67976548b7af84f5306e4 |
| Manifest | ac75498f5804f8360ac9f64d20ae9b8229c7d09d10c57daaa7d4857120ac786e |
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 | /Qmd0/I2u+YBAO04gLVO+kU9CWrPnmHs9cEyFPoQKdMreXT1FKZh3VAD3fLZrXV0cAnqCmGHoTvj55uDMmmtAQ== |
| 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
| 2026-09-17T10:21:43.676695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073555observed fdc45d8f7cbb906066e351459990897d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:43.659810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073555/manifest.jsonobserved ac75498f5804f8360ac9f64d20ae9b82...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:43.641996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073555/publication.mdobserved f058c156c45d8cb63602ac2f44bf7b2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:43.625783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073555/publication.txtobserved a72405c550d69f6b9be2435e1a982b1c...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. |
|---|