OT-2026-000043269
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000043269) never changes.
Identity and time
| Publication number | OT-2026-000043269 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327d-7de7-b2b8-60e54c3beb7d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043269 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7d5641cf55e6ee3aedbcda89cf782cfeaef6d4143f2d10080f601af455b2eeba |
|---|---|
| Markdown | 656a9f30c41934e9e503c22721997b77dda8b090436fdcd2d20cb061490b9a7b |
| Publication page | b1422d3d29a90106160776de5a549408dac3c44546381831cec1314e16c0eb36 |
| Manifest | fa0ca5433f967810d06ac64fda8370bd74ed4505de0f622afcb94a400f6c2458 |
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 | MwbcPAt+Bk01agfG6iY0En1Vja+nm3w8YYEpD7FkWy/kLBVDiT2X9nzdkRetR5mHB9iEgiU1XIOimIZfnRfCAA== |
| 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
| 2026-10-30T00:41:48.708468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043269observed b1422d3d29a90106160776de5a549408...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T00:41:48.639123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043269/manifest.jsonobserved fa0ca5433f967810d06ac64fda8370bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:48.554995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043269/publication.mdobserved 656a9f30c41934e9e503c22721997b77...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:48.477646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043269/publication.txtobserved 7d5641cf55e6ee3aedbcda89cf782cfe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:45.292674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043269observed b1422d3d29a90106160776de5a549408...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:45.274780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043269/manifest.jsonobserved fa0ca5433f967810d06ac64fda8370bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:45.257379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043269/publication.mdobserved 656a9f30c41934e9e503c22721997b77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:45.237761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043269/publication.txtobserved 7d5641cf55e6ee3aedbcda89cf782cfe...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
| 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 |
|---|