OpenTechnical

OT-2026-000073573

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000073573) never changes.

Identity and time

Publication numberOT-2026-000073573 · never reused
Internal UUID01a0ae92-efb9-72b2-9236-6c8cd35e4b9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073573
StatusPUBLIC

Content hashes

Canonical textecd594748e857d27f037b934b5421b034a31c7bdb287a993c740b109d7990e09
Markdown0b5a7c4a05f78f7a9756d7390b7411c2cbdad891c71fdbfd086316a3a229ca6e
PDF
Publication pagea4d92c751bd1da6f943aaa8ef6a2fd0a8917100ea9e45ee8ab8fe45803d2ca52
Manifested7ef4abbdc3aaa2d256b06d8367bd21a265ec7ac9957002d08d3a278a5fcdf9

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
SignatureSxqZLaDNrBFtyQmz9s56CxO6cMHT0z4DIV+NO0r3doelZMIxfPtJb+hJV0Dp41AchkAb2hFg8DhrhZVF3U/FCQ==
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

2026-09-17T10:21:44.931763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073573
observed a4d92c751bd1da6f943aaa8ef6a2fd0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.914636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073573/manifest.json
observed ed7ef4abbdc3aaa2d256b06d8367bd21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.896371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073573/publication.md
observed 0b5a7c4a05f78f7a9756d7390b7411c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.879031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073573/publication.txt
observed ecd594748e857d27f037b934b5421b03...
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.