OT-2026-000078944
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000078944) never changes.
Identity and time
| Publication number | OT-2026-000078944 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-717b-90bf-250d2f4eaf7f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078944 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cfac65bb5b55a69d965a9d0f45f8b7e0bc0b7d151d4b51c7c9071a1c9f97634 |
|---|---|
| Markdown | 58dd993d992f305a1803219f0f2194bcb9792e3bd72e117970583994f3d47afe |
| Publication page | bd093b7bcfa123860122ad84607f5e92c8e5972f7ae77e59aecdc844dbf89796 |
| Manifest | 1855f766f917d7f481afdaf2b2633cdbe21887960d85aaf049c55cf473a21925 |
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 | /HRp0jxE0H3QnHUxgzhQoobwElhDDsXpUECfPyrbqUtA+qEQRAE+OXrgt4OtJtA/JO1Gga3fw8Gq4hEwyaQZCQ== |
| 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
| 2026-09-17T10:05:46.124182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078944observed bd093b7bcfa123860122ad84607f5e92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:46.107917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078944/manifest.jsonobserved 1855f766f917d7f481afdaf2b2633cdb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:46.090333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078944/publication.mdobserved 58dd993d992f305a1803219f0f2194bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:46.072096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078944/publication.txtobserved 1cfac65bb5b55a69d965a9d0f45f8b7e...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. |
|---|