OpenTechnical

OT-2026-000102241

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102241) never changes.

Identity and time

Publication numberOT-2026-000102241 · never reused
Internal UUID01a0aea4-50f3-7f57-994f-c57677aa0421 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102241
StatusPUBLIC

Content hashes

Canonical textc8562635a5e280c59a71d51685bcda77b6d7aff68b6ffb80f7f18779b83cdafc
Markdownc494e72e304449732019ffb77f3465b1244064b0dd29a2392be5c6747bd047f0
PDF
Publication page064799113a4f6d2149e8d78039e8bf2d4b322957b126e3b34dc7a5f8e964f006
Manifest5d06f708ec5e06253de4b595aed7a54f192356421557c4c0da31b61278b1952a

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
SignaturetqVIZV3OktrqA5k3fF3TSWUF0Vi9FhLuw9H1q2yiYkAENRReuwSnGJShcQd0HglYdJwAeqemlOE59PKMTuu6Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:25.337514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102241
observed 064799113a4f6d2149e8d78039e8bf2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.320877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102241/manifest.json
observed 5d06f708ec5e06253de4b595aed7a54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.304371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102241/publication.md
observed c494e72e304449732019ffb77f3465b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.287725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102241/publication.txt
observed c8562635a5e280c59a71d51685bcda77...
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.