OpenTechnical

OT-2026-000022195

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000022195) never changes.

Identity and time

Publication numberOT-2026-000022195 · never reused
Internal UUID01a0ae6f-f4fc-79f5-879a-612fdb95b7bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022195
StatusPUBLIC

Content hashes

Canonical text610bf89e3667c70780bee50ee6bfe85a8cc42836ff60ebc0c6db69e46944be6f
Markdownd28d0494490c801486ae9f202a1971ce57693e73219f96bd917aeffb0797c037
PDF
Publication page46c8a43b31b3ab8a462b4916dd4474b04cb4774bd12c67d047910790ae08d7c8
Manifest92b1f7c987f1a5d4ee77bda31d2cbdaee5d8903226ab0afaf9fa0ce4b0b313a1

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
SignatureC6/xHVyH4+eX2of0W5RaZ8A4/fpmMuk65M4v6iyh6ha2eMbiah7oFqdiiRUzyiLV/Huy51PgTQy+66X/PcdICA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:52.792664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022195
observed 46c8a43b31b3ab8a462b4916dd4474b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.773645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022195/manifest.json
observed 92b1f7c987f1a5d4ee77bda31d2cbdae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.753637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022195/publication.md
observed d28d0494490c801486ae9f202a1971ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.734955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022195/publication.txt
observed 610bf89e3667c70780bee50ee6bfe85a...
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.