OpenTechnical

OT-2026-000090714

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000090714) never changes.

Identity and time

Publication numberOT-2026-000090714 · never reused
Internal UUID01a0ae9c-7f31-7791-b1fd-f4f236141cae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090714
StatusPUBLIC

Content hashes

Canonical text443a970a5a3537de00294a76b9f19fecb7fedb1c5b7c05bb9893e911bb96892f
Markdownc7d9eedd85e645426a8f59063550511e4d39d7191fceea48dff7a1782ca3be4f
PDF
Publication page71f52a1f6d17bde10819cf532de9791a8bef48df651bdd9ff03051d656e57e0b
Manifest26d32125979b380aac24faa8913259cff21a4164d490eff07c0b12f212beff0f

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
SignatureQKghayvkAJkAzAH00FY606PjZhz2Wfmkge0aGBXZ0hQEKOBwozeMIxcKFYB2DCdXCfpZVMM5R5N0+8A9OJNgDQ==
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

2026-09-17T09:44:55.280639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090714
observed 71f52a1f6d17bde10819cf532de9791a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:55.264083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090714/manifest.json
observed 26d32125979b380aac24faa8913259cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:55.247164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090714/publication.md
observed c7d9eedd85e645426a8f59063550511e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:55.231027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090714/publication.txt
observed 443a970a5a3537de00294a76b9f19fec...
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.