OT-2026-000021139
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000021139) never changes.
Identity and time
| Publication number | OT-2026-000021139 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-727a-9311-f611577a5a27 · 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-2026-000021139 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81c77d989877b5080e9bf9b0e4cecba7e2ef6bba69631a0e0e0c8d39c85fcb74 |
|---|---|
| Markdown | d1b9366c7439848672c57c037d30be8cdff99a90e7cd20257de8681d91708ba9 |
| Publication page | fe1f244c6252eebbf6dd5a99df8046eb9f7a58c119db1745c16a378a549a6439 |
| Manifest | 0cd612364709810c9d0da78ba64cf1bf2825ef41025f91c2eb35c23203d9fab9 |
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 | qqk5iAbxnfr0Hr25TFH9rBcpwqO6VHdIf3iT/RnqxpnuwtGzWGahZs6QeHJi1pcxRY/9jTcxvx64lAGA0C2ECw== |
| 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
| 2026-09-17T11:54:53.585999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021139observed fe1f244c6252eebbf6dd5a99df8046eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:53.566858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021139/manifest.jsonobserved 0cd612364709810c9d0da78ba64cf1bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.549520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021139/publication.mdobserved d1b9366c7439848672c57c037d30be8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.528853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021139/publication.txtobserved 81c77d989877b5080e9bf9b0e4cecba7...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. |
|---|