OpenTechnical

OT-2026-000069870

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000069870) never changes.

Identity and time

Publication numberOT-2026-000069870 · never reused
Internal UUID01a0ae91-1860-7a01-b3d3-7ad6a9abd363 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069870
StatusPUBLIC

Content hashes

Canonical textb95c1c0f88c5a52d1f6615c39780f8054ca00d2dabacdf723bd7bd54a2307e40
Markdown98bf1f0f10763053a6848015565eafabf06bb333cc3263d0d2b9c3faec8a91e7
PDF
Publication pagebbf50a011b23847afd4add9e240f60b82bc56aa355be20a82e4933414c31808b
Manifeste57d386c9effd25889c97e14b166115894911cf85de744ed69194b1ab8d957b9

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
SignatureaPzOPMP9xEa4ysfNjjAzeeqvqj8CNG/w8dTGbisfSB5vSLqRfcjMytx9XF+Wry6aqpa/SgJfEYXJi7U2JlBpBg==
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

2026-09-17T10:26:42.013407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069870
observed bbf50a011b23847afd4add9e240f60b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.997434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069870/manifest.json
observed e57d386c9effd25889c97e14b1661158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.979108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069870/publication.md
observed 98bf1f0f10763053a6848015565eafab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.960273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069870/publication.txt
observed b95c1c0f88c5a52d1f6615c39780f805...
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.