OpenTechnical

OT-2026-000073169

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073169) never changes.

Identity and time

Publication numberOT-2026-000073169 · never reused
Internal UUID01a0ae92-efb6-763d-8101-e531255fa608 · 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-2026-000073169
StatusPUBLIC

Content hashes

Canonical textb3502bfb9e6d06e90bfdd4278e2ea4deb3c04a058d7b83a6b53e6f04395ae600
Markdown1ad74b791778b734950856e892e92c32c431030fb80c6dd3f83c23b9c55840d0
PDF
Publication pageda0119d0ac13166177ec52979824ae3ca54afed42ee1a3dd5e1b2a128b2d21e7
Manifestfdc4d7f864977d2d62b8a7e6d8a7210f2a5c40c2a38f6c407cdecf14a9e30134

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
SignatureXNxyB5ieZyXCK40nrFgWggoD9/QUf2ZlAaDBQ94KvMufir2f+JtuNvUs1ysqXrmQp2WxurVfAti6dqfC6wBdBQ==
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

2026-09-17T10:21:07.135596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073169
observed da0119d0ac13166177ec52979824ae3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.118077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073169/manifest.json
observed fdc4d7f864977d2d62b8a7e6d8a7210f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.100288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073169/publication.md
observed 1ad74b791778b734950856e892e92c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.082905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073169/publication.txt
observed b3502bfb9e6d06e90bfdd4278e2ea4de...
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.