OT-2026-000023432
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000023432) never changes.
Identity and time
| Publication number | OT-2026-000023432 · never reused |
|---|---|
| Internal UUID | 01a0ae70-7268-73ff-bc51-234b9e62fa9e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:40.056870Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023432 |
| Status | PUBLIC |
Content hashes
| Canonical text | bdcfcff14ebf3bc3ab1e8d42085bc4087aa54f37ffb97ce46d2cff1cb22e9e6f |
|---|---|
| Markdown | fb1fadd9eed49901f3b3d3ad3bffaf6397809000ea3d6954cfee155fce228306 |
| Publication page | 93f56e2a0a3b1dc1affae90f7237fbed7a4303d1854eaf42c250b4d6f579eecc |
| Manifest | 69a15fca998d7da8cd163c82f0ee24d417b25212ef72618e1af9c38936756ab4 |
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 | YxUW0QGkCkY5Eh+xTpXI68JKPryN7tLwdD78w6TzlN+kV5iQSF3E9TafKAupmuFV5qX50zib0A1SDeSRvTjIBw== |
| 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
| 2026-10-04T04:41:22.626496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023432observed 93f56e2a0a3b1dc1affae90f7237fbed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:41:22.547759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023432/manifest.jsonobserved 69a15fca998d7da8cd163c82f0ee24d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:22.454624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023432/publication.mdobserved fb1fadd9eed49901f3b3d3ad3bffaf63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:22.367551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023432/publication.txtobserved bdcfcff14ebf3bc3ab1e8d42085bc408...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:42:13.208015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023432observed 93f56e2a0a3b1dc1affae90f7237fbed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:42:13.076758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023432/manifest.jsonobserved 69a15fca998d7da8cd163c82f0ee24d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:42:12.883798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023432/publication.mdobserved fb1fadd9eed49901f3b3d3ad3bffaf63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:42:12.638623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023432/publication.txtobserved bdcfcff14ebf3bc3ab1e8d42085bc408...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|