OT-2026-000052842
Publication integrity record
Foam pad vacuum gripper, single stage ejector, vented 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-2026-000052842) never changes.
Identity and time
| Publication number | OT-2026-000052842 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-7b91-83ab-3f5b7b329508 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052842 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9f060583fb6711632f12b33d78b678bceb561170fda21b4c91d7a2c350e03a2d |
|---|---|
| Markdown | 19c6f9ec3a1797d3101561fcb0200efa77ad97f7a09916d8b248f8dbb5302d7f |
| Publication page | 998f127136cb288dd8534a49fdbf5f9b20c1f08ab6ad7efdbfcc0612ac4fe990 |
| Manifest | f3be087a2b61cca33162d6552c52b5eb6e0f23b813eb475e1948a98ffe82614b |
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 | F2TCqXGU+B4p+uvKWGHVEODNgpbFlow2HnJTW8/ThPzcnL5OUZBPMC2SPAZLpnduqkYLTDGrufuMnAAnzPXiCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-17T16:41:39.132901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052842observed 998f127136cb288dd8534a49fdbf5f9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T16:41:39.058493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052842/manifest.jsonobserved f3be087a2b61cca33162d6552c52b5eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:38.985716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052842/publication.mdobserved 19c6f9ec3a1797d3101561fcb0200efa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:38.855308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052842/publication.txtobserved 9f060583fb6711632f12b33d78b678bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:27.028969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052842observed 998f127136cb288dd8534a49fdbf5f9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:27.014334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052842/manifest.jsonobserved f3be087a2b61cca33162d6552c52b5eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:26.998307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052842/publication.mdobserved 19c6f9ec3a1797d3101561fcb0200efa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:26.945007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052842/publication.txtobserved 9f060583fb6711632f12b33d78b678bc...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 |
|---|