OT-2026-000030889
Publication integrity record
Single cup vacuum gripper, pump fed, pulsed 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-2026-000030889) never changes.
Identity and time
| Publication number | OT-2026-000030889 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb6-7681-bff9-834bf44a4623 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a7ec05a5f9923940e89f437f47b710ee720ed35110966aa5912efb3f8396866 |
|---|---|
| Markdown | 972df875110df3a636ebf344ad6fbea6bf59d04337ce2d9fe1a916bf53fac745 |
| Publication page | 488b1df72955c7e1e5204a5d08badc841e64fb689f959eb76c62f52472ecde60 |
| Manifest | a841a1899633d5e3813e7e89d72844e7f7eeddbf7c018df634d95ca50e64d6a9 |
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 | EnSoVU8qmXewFQbzF6LE6Ol/l3xq5RZVSJOpvQmCNz4xlLLmcvZ61oWDXDVsJ4VRMxGsdmPmtBUrL3XR36LJDg== |
| 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
| 2026-09-17T11:36:52.384091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030889observed 488b1df72955c7e1e5204a5d08badc84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:52.366409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030889/manifest.jsonobserved a841a1899633d5e3813e7e89d72844e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:52.348412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030889/publication.mdobserved 972df875110df3a636ebf344ad6fbea6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:52.332525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030889/publication.txtobserved 7a7ec05a5f9923940e89f437f47b710e...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. |
|---|