OpenTechnical

OT-2026-000085686

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000085686) never changes.

Identity and time

Publication numberOT-2026-000085686 · never reused
Internal UUID01a0ae99-aaad-7616-8caa-5b11c801f420 · 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-2026-000085686
StatusPUBLIC

Content hashes

Canonical textf14f322e57e20c5a4d01e5cdf465501bca83b2eb07f269b9f48a36b67104f8ce
Markdown5e506b24b3a9c56744d99a5f75a54391b655b78b6e5c12dd38812e2b71f81291
PDF
Publication page50c44ebb71863a271c09f3da7ee7141c321ce09ef2e4b2cf1ad9bdf16612f7c2
Manifestcc5d5240549d6f293c7627655544fcbdba0f5492ac48034cc779f4bcae7d1fa9

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
Signature/TIBaeNOVGd+e9dVPhyNwiuv3pRB2kEzfXqQXtCJxtAVPPc5syEWTAfnhhH0yX4oMIFD8x5cz3qoKvDl85QADA==
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

2026-09-17T09:54:35.167371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085686
observed 50c44ebb71863a271c09f3da7ee7141c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.148075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085686/manifest.json
observed cc5d5240549d6f293c7627655544fcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.130549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085686/publication.md
observed 5e506b24b3a9c56744d99a5f75a54391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.113323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085686/publication.txt
observed f14f322e57e20c5a4d01e5cdf465501b...
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.