OpenTechnical

OT-2026-000005753

Publication integrity record

Bellows cup vacuum gripper, three zone face, two outlet manifold, plant vacuum fed, contact triggered

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-2026-000005753) never changes.

Identity and time

Publication numberOT-2026-000005753 · never reused
Internal UUID01a0a943-a95d-71e9-8409-227c2118140f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:38.913234Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005753
StatusPUBLIC

Content hashes

Canonical text2b2be719a571f1c5f33b4e2023b34e18f1c2b3a42ee89e614255920767c6a742
Markdown488aeda48b639f030595a214ff50707a7f30b55b958d2e9abf47ad52b00e1bec
PDF
Publication page93efc623b1a7a759fdc3544a6c5638af66bb9332316301da6bb23c27be8a40d9
Manifest67e37c519705b762951b220168e3d42e045b4602f2e906500026d16cf7c18436

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
SignaturelnmkUZZYPiHy+ZlqudRdeiH51HmT9mwtyWlvjSerRuMoflhvl62qif+YaUcyEnviVqrtAd0p5gmSJUlUoqBUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:03.888056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005753
observed 93efc623b1a7a759fdc3544a6c5638af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.873150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005753/manifest.json
observed 67e37c519705b762951b220168e3d42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.736468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005753/publication.md
observed 488aeda48b639f030595a214ff50707a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.722485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005753/publication.txt
observed 2b2be719a571f1c5f33b4e2023b34e18...
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.