OT-2026-000042442
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000042442) never changes.
Identity and time
| Publication number | OT-2026-000042442 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d75-7042-b80e-65b099814e9a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042442 |
| Status | PUBLIC |
Content hashes
| Canonical text | 237da4cd1946ea9bfa6fd6841c7317a6fc339b52ff969539eef5400752e138c8 |
|---|---|
| Markdown | d018431ca4207dadecb415519876400e2e9652374e27c18f5e58ad87fafd3360 |
| Publication page | 3af27bde14c844b6eb8043d3eb7f524a473b575faac27f7b78c7de62156d331f |
| Manifest | 16697839effcc5cecfd69b1679c39223a3dd9a4abf15bfbc18198410319f61ad |
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 | Ik/ccNDUf+f1V7SMMRIPKorhxJZ1YhGuHUBL5CQBZd9uYOxeWjztVhRvnfu50vgRM6i0yhFIUZzTCQcfzFfoCA== |
| 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
| 2026-11-01T08:41:19.056625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042442observed 3af27bde14c844b6eb8043d3eb7f524a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T08:41:19.007270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042442/manifest.jsonobserved 16697839effcc5cecfd69b1679c39223...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:18.955620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042442/publication.mdobserved d018431ca4207dadecb415519876400e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:18.895613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042442/publication.txtobserved 237da4cd1946ea9bfa6fd6841c7317a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:05.415171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042442observed 3af27bde14c844b6eb8043d3eb7f524a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:05.170778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042442/manifest.jsonobserved 16697839effcc5cecfd69b1679c39223...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:04.858657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042442/publication.mdobserved d018431ca4207dadecb415519876400e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:04.278700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042442/publication.txtobserved 237da4cd1946ea9bfa6fd6841c7317a6...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 |
|---|