OpenTechnical

OT-2026-000030795

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030795) never changes.

Identity and time

Publication numberOT-2026-000030795 · never reused
Internal UUID01a0ae74-3fb4-7276-a6d4-e773bbe05645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030795
StatusPUBLIC

Content hashes

Canonical textfdead074a8229ab92a81a65b152cd84f329ab33804991fa5f63caa4e34061366
Markdown753282858b0ff3c116a67f612daae44d40eb3be76d5dbb27567a16d73e11d181
PDF
Publication page89244abf44246d1c243def2a54ddcf709c34aa7599c2c2c77ce8c06b7fec40a6
Manifest650114a782a9fe7afb65fb1bb0bcbc72baf3d6f2b5e252e2de8ba1fb41fe7788

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
SignatureXEG/rBKDSCDC40jYzgCSCUiNTlEWX/S6oU1NwmHf3eAbTCyjLp4YMFzf8Zcn968HGiuccShwWodtwD6BJS7GAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:45.663029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030795
observed 89244abf44246d1c243def2a54ddcf70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.642697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030795/manifest.json
observed 650114a782a9fe7afb65fb1bb0bcbc72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.624489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030795/publication.md
observed 753282858b0ff3c116a67f612daae44d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.605303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030795/publication.txt
observed fdead074a8229ab92a81a65b152cd84f...
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.