OpenTechnical

OT-2026-000086292

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000086292) never changes.

Identity and time

Publication numberOT-2026-000086292 · never reused
Internal UUID01a0ae9a-2c95-715d-b5f0-f513a3d5f44a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086292
StatusPUBLIC

Content hashes

Canonical text6ead39b649b2edeb71d447bed18eb17861061d9b9ead458d4d1bf5f695509b1d
Markdownf08ac3045a29739a31058955f0808ddb46f604c0e0e00631507c4c2efe4e8d01
PDF
Publication page6b94adacc887836cc2b98f8cc521faaf73de328b8ac3129225c944821de28647
Manifest2145606816e7a2cadd2be9c01a801667588219d9a2c507abe098ae9d06a88d79

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
Signature9HY14QsxzFiTi+nId/+oM5cDe0BNYp+AI4fKn/xsSet1/duaV7buUlgDZ7UKtb7IJEhP5AJatRELMuemeTKhAA==
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

2026-09-17T09:51:58.155148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086292
observed 6b94adacc887836cc2b98f8cc521faaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.134549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086292/manifest.json
observed 2145606816e7a2cadd2be9c01a801667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.113838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086292/publication.md
observed f08ac3045a29739a31058955f0808ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.092528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086292/publication.txt
observed 6ead39b649b2edeb71d447bed18eb178...
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.