OpenTechnical

OT-2026-000083941

Publication integrity record

Foam pad 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-2026-000083941) never changes.

Identity and time

Publication numberOT-2026-000083941 · never reused
Internal UUID01a0ae98-0418-784b-84a1-a0aa67697c07 · 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-2026-000083941
StatusPUBLIC

Content hashes

Canonical text86a25d5cb1473906028768ab715d65b6db014dfdd0ab1597de78c7edc46ebf20
Markdownd04b255f2dfc1e49d5926808395d12ebbfdb751d1ef89cef480d2c37f11998c4
PDF
Publication page863d1ba2b8e36ed24ba294a544e5d9dcb303d3befba8798bfeb7654fa31b04e7
Manifestf57731771f76aa35a8d665b6895f1ca3b127639560452dfb8e673de13c2f86bd

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
SignatureauSDh2lv4pJF4gGYrdxwTsbku296jXePVXToJCgwoNiaR7WgO5FRNANIayxhd+tg/yaT7mrH3zMHibsSulrbAg==
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

2026-09-17T10:00:26.509167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083941
observed 863d1ba2b8e36ed24ba294a544e5d9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.487915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083941/manifest.json
observed f57731771f76aa35a8d665b6895f1ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.466504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083941/publication.md
observed d04b255f2dfc1e49d5926808395d12eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.445606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083941/publication.txt
observed 86a25d5cb1473906028768ab715d65b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.263330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083941
observed 863d1ba2b8e36ed24ba294a544e5d9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.245660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083941/manifest.json
observed f57731771f76aa35a8d665b6895f1ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.228059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083941/publication.md
observed d04b255f2dfc1e49d5926808395d12eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.209537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083941/publication.txt
observed 86a25d5cb1473906028768ab715d65b6...
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.