OpenTechnical

OT-2026-000102023

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000102023) never changes.

Identity and time

Publication numberOT-2026-000102023 · never reused
Internal UUID01a0aea4-50f1-7e74-8ddf-42e08447efbd · 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-2026-000102023
StatusPUBLIC

Content hashes

Canonical text590ae7b5270d8e57f6e66f99c65c6202c78233dd7c7dbb811a18cc07e566b727
Markdownc35bee5335b063c86aeb9f69aae8c38677e588bf57c35c1fef50c3b5f25ac4bc
PDF
Publication page806a84fb749f2873bcbf807dd77552422cbbc3382109735d260db9a655848613
Manifest82954450d1e10e894daf27806133791036d0d53b4fdd306aec79ce7995c60656

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
SignatureTHskWqbk0Lsfe77z+G1ObYVMSaOvHQ42ErArn5P78tIXbXIC7NKCM0fZR5qs9R8Qw98UcJMTUPcSQSu9gaL0Ag==
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

2026-09-17T09:25:09.343504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102023
observed 806a84fb749f2873bcbf807dd7755242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.325703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102023/manifest.json
observed 82954450d1e10e894daf278061337910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.308394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102023/publication.md
observed c35bee5335b063c86aeb9f69aae8c386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.290282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102023/publication.txt
observed 590ae7b5270d8e57f6e66f99c65c6202...
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.