OpenTechnical

OT-2026-000083953

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000083953) never changes.

Identity and time

Publication numberOT-2026-000083953 · never reused
Internal UUID01a0ae98-0419-7f8c-b56e-d780113f69cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083953
StatusPUBLIC

Content hashes

Canonical text880364d708508c6c4164108411a7aef01de04c7e527377a2667ce54512140142
Markdown94fa675c87e165cfbca11ead4db9b17e52ffd03caf2a7d3ef40489966f6a7ea8
PDF
Publication page0f28ec27ec6cc74b373675e6ad269a77b19499a393c5d8202bb4f7aa6ad715cf
Manifest139a8776713c4dee6e83a90b4a0db72eb7747b83360edfa2c5880fddb9fe461b

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
SignaturepWxn6ztcLvapVrmY0xVN84DX+35x1DB0RU4NXtDyWMvHcR0zr4bwYoJReO31Q/CuCIq3VLE3/MLWjUbvpZI8Aw==
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

2026-09-17T10:00:27.689475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083953
observed 0f28ec27ec6cc74b373675e6ad269a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.665590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083953/manifest.json
observed 139a8776713c4dee6e83a90b4a0db72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.640460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083953/publication.md
observed 94fa675c87e165cfbca11ead4db9b17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.618793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083953/publication.txt
observed 880364d708508c6c4164108411a7aef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.204928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083953
observed 0f28ec27ec6cc74b373675e6ad269a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.187613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083953/manifest.json
observed 139a8776713c4dee6e83a90b4a0db72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.171449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083953/publication.md
observed 94fa675c87e165cfbca11ead4db9b17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.154529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083953/publication.txt
observed 880364d708508c6c4164108411a7aef0...
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.