OT-2026-000020159
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum 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-2026-000020159) never changes.
Identity and time
| Publication number | OT-2026-000020159 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7ff5-98e1-4ef144e6ba76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020159 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c261740662df6fe19b5e9bc2d87f5acee73271fbaa162fee16789fec745e7e0 |
|---|---|
| Markdown | dc9be10681196d64d2873530b7f4fd1b48f780f1f427b6f640339f0f0cb6038f |
| Publication page | d9af1644ce89abd63e55eab63b2f5e1a119238bb011dfeac3476cfb87c2daab9 |
| Manifest | dfb15ff4a4594664c75dd2888c8d0e3c3b25d0c7dbb2b346c7fcb75ce7ddf33e |
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 | 6z+LXcVEcedtzfoRiyueBvbwsbtsUZ7UzOmkiIbxnLzx1VPLpkTQsVrfxTpM7h7G7XxLeTqW7p3BV3bcQLw5Bg== |
| 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
| 2026-09-17T11:56:28.526932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020159observed d9af1644ce89abd63e55eab63b2f5e1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:28.508137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020159/manifest.jsonobserved dfb15ff4a4594664c75dd2888c8d0e3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:28.489806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020159/publication.mdobserved dc9be10681196d64d2873530b7f4fd1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:28.473348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020159/publication.txtobserved 4c261740662df6fe19b5e9bc2d87f5ac...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. |
|---|