OT-2026-000056160
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000056160) never changes.
Identity and time
| Publication number | OT-2026-000056160 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-7640-bdbd-3ec4c2cf5b27 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056160 |
| Status | PUBLIC |
Content hashes
| Canonical text | 17f386fb00e9802b8a349a4ac8ab2214b363e0b083fa48ea54ba2c2cc9c5665a |
|---|---|
| Markdown | a36aea3f01c3570f42e17280d9c904d755d48a15af9d8ead34b00b54d51459ae |
| Publication page | 10f7372ad0e9fe637a12cd9c54e86cf4570b90df4f5d95c9713bc6fa4d36409a |
| Manifest | 7842f52c722f46be6c405ccd25a169fd07a4c09f4794f1da77d7590b827c46ba |
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 | +3N4NEVFjQwPxC1wl4exIgWdVGM3/PwFc4VGvZfzaXx892fnNxYSeXbG/eoTbf38A4sDzt3SS5eeDUw6Y3GtDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:43.035598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056160observed 10f7372ad0e9fe637a12cd9c54e86cf4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:43.016697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056160/manifest.jsonobserved 7842f52c722f46be6c405ccd25a169fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.999981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056160/publication.mdobserved a36aea3f01c3570f42e17280d9c904d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.983434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056160/publication.txtobserved 17f386fb00e9802b8a349a4ac8ab2214...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. |
|---|