OpenTechnical

OT-2026-000087883

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087883) never changes.

Identity and time

Publication numberOT-2026-000087883 · never reused
Internal UUID01a0ae9b-1aa5-7e50-b092-404fb38bf302 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087883
StatusPUBLIC

Content hashes

Canonical text24a3db2d22e1875a110071c8382897a7733b42a78f402495d640fd16c265c8b6
Markdown35536ed490c7e3f86af8a11ebd4bfde094f773a0a660a5f7fee50323fbd394b8
PDF
Publication page1b45709951b6e7fe47bf6f124b0e3e5cffc9546881446a8880c841225a167897
Manifest90d1f3d40ada65dec8aab4044d064edd2a22b26fa4b3d6f471873dcdf88bbda7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature5Epwmtz7RXL152BzYVHVswa6PDi4lkVK6ztL6m9YNSO5IMT9//5HJBtu5K1Jmio+axsRhArWI/zH8CyMmBnxBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:09.107324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087883
observed 1b45709951b6e7fe47bf6f124b0e3e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.087674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087883/manifest.json
observed 90d1f3d40ada65dec8aab4044d064edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.066996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087883/publication.md
observed 35536ed490c7e3f86af8a11ebd4bfde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.045715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087883/publication.txt
observed 24a3db2d22e1875a110071c8382897a7...
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 archivePending 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 packagePending Custody packages are produced weekly.