OT-2026-000021625
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000021625) never changes.
Identity and time
| Publication number | OT-2026-000021625 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7056-8d1b-d240155438c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021625 |
| Status | PUBLIC |
Content hashes
| Canonical text | a79502d77ae847094f78b409fa4271955d965d78ada20c02fe7babab3b1802c9 |
|---|---|
| Markdown | 496fc01372e15e9ce21d3ed96a1a985ac5d2a58e18974619451911810bcb161d |
| Publication page | adfc5ae869a859fbb6829e241e14235dc82cbee02703c217ff72629a59c1ceba |
| Manifest | 56b134973136c187562eac28584dfee8c6d65c73e1af2a86be2fdfec7c736c17 |
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 | wjgveFpcVfCCdMBHzUbEdQX+PCW918hFy5GH5wTZFvJzqZ1EHSBhW0vX+tJPjCF3oLGdK6ubs4445P+loaMgAw== |
| 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
| 2026-09-17T11:54:09.023063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021625observed adfc5ae869a859fbb6829e241e14235d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:09.002493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021625/manifest.jsonobserved 56b134973136c187562eac28584dfee8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.984446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021625/publication.mdobserved 496fc01372e15e9ce21d3ed96a1a985a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.964446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021625/publication.txtobserved a79502d77ae847094f78b409fa427195...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. |
|---|