OpenTechnical

OT-2026-000085754

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, sustained 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-2026-000085754) never changes.

Identity and time

Publication numberOT-2026-000085754 · never reused
Internal UUID01a0ae99-aaae-74ef-b41b-a1b72b7161fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085754
StatusPUBLIC

Content hashes

Canonical text832e33391b90d695a2dcaee9390bbb0524e8779cbd5a0c76a2c4084e4dde1ac0
Markdown245cf74d4c62a828a43b801b0a6afe59951776ab44e2c86249b57099938b1a96
PDF
Publication paged6fe75087fdd16d6d942dab894cce8c7e62cbfd8a70e51865fb8f20cdb4c4d86
Manifestbe98f509956d2c986a29aefa7d5a3d7b67ffedf9731772cb5e15cc6f101838af

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
SignaturevHeNguyTCsuptQYe8ju71AhZ6qiXCI9lgrydAlCBOrP8sv+/inKHnXiYASYYZ/GE95Zxtqr7+6PZNs0dpBNgDA==
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

2026-09-17T09:54:40.380533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085754
observed d6fe75087fdd16d6d942dab894cce8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.362451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085754/manifest.json
observed be98f509956d2c986a29aefa7d5a3d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.344213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085754/publication.md
observed 245cf74d4c62a828a43b801b0a6afe59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.325817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085754/publication.txt
observed 832e33391b90d695a2dcaee9390bbb05...
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.