OpenTechnical

OT-2026-000079659

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000079659) never changes.

Identity and time

Publication numberOT-2026-000079659 · never reused
Internal UUID01a0ae96-0b93-7f1e-b610-1141543e7b4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079659
StatusPUBLIC

Content hashes

Canonical text7b7a56f8a317b1997b266d69f2ea20d0ac07d466fbd617cabf03bac2f5c6621c
Markdown578efbb8991ee032f87dfab974ab42fbec2b56cec720939e111fd76a552a2a93
PDF
Publication page4fb0421ed72ae09474a83c4c31af2a6faca8c1a3a4b16c34ed3c6df8c61251da
Manifest460bba501a744c2fd6cfa4d44b2238a771639360a287abe148bb85bdc87139e2

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
SignaturejlEDCVyyOC4Z8DHkCNmP1YUi4vJed9bb1/4iFYQI1KnBI55C2fghLCk4DdgF/zDq9cuo8dr3QtHD8Yx3ZpzVCQ==
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

2026-09-17T10:05:19.466107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079659
observed 4fb0421ed72ae09474a83c4c31af2a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.448224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079659/manifest.json
observed 460bba501a744c2fd6cfa4d44b2238a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.429670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079659/publication.md
observed 578efbb8991ee032f87dfab974ab42fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.411763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079659/publication.txt
observed 7b7a56f8a317b1997b266d69f2ea20d0...
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.