OT-2026-000021146
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000021146) never changes.
Identity and time
| Publication number | OT-2026-000021146 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-79d2-8096-509cd1d5afd9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021146 |
| Status | PUBLIC |
Content hashes
| Canonical text | f191c63b20d7e7c7bc4403519288afd83bcf42d26b58c7732b970b12201223f7 |
|---|---|
| Markdown | 239d34d3e95348d80857e7476745661d44cc473ed0ab68b5cd192a1a6dceaf66 |
| Publication page | fb40af1690314eae41b4170e7bca779037f5f336a276673d28bfb57e86fcd7d9 |
| Manifest | 769f08a295dbb20b6ada48b5541d6b301c991d82697039dcf8322c0e96171293 |
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 | 6BxwulaWofVb1QESlf2S3gQT1H/5yW5wMkuVjw6HpCTaHcmIGzIBRx8DU9fBEG/m/5WsAoh1OUtU8OCNbtIfBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:54.218623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021146observed fb40af1690314eae41b4170e7bca7790...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:54.198750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021146/manifest.jsonobserved 769f08a295dbb20b6ada48b5541d6b30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.180028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021146/publication.mdobserved 239d34d3e95348d80857e7476745661d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.162052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021146/publication.txtobserved f191c63b20d7e7c7bc4403519288afd8...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. |
|---|