OpenTechnical

OT-2026-000070072

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000070072) never changes.

Identity and time

Publication numberOT-2026-000070072 · never reused
Internal UUID01a0ae91-1861-7b43-98f9-e8044b9b66f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070072
StatusPUBLIC

Content hashes

Canonical text52932528ae5a3774a6843cb6761e51490409df82a9c6258fa7a9a62c680aa1bc
Markdown79c8e2943863caf4afae41f8a3d3a48bbad1533a81f7a36b21dedd2214fb608e
PDF
Publication page78725a02c30769dd9d9aba94128e1431c08d0db13de1ae489a8f135e3a46392b
Manifest594b8d381c67c54069b7cb9128a9cd3826bf894075af370c3ec1cb1140c39794

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
Signatureh09gaqas0ymlHa77mYkSPRbkQi3aykZfJFdPje1L0pAuW5yjt9NgUZa+dy+Ps+Cef90uxeXDTziwkloh5onIBQ==
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

2026-09-17T10:27:02.027127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070072
observed 78725a02c30769dd9d9aba94128e1431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.009530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070072/manifest.json
observed 594b8d381c67c54069b7cb9128a9cd38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.990679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070072/publication.md
observed 79c8e2943863caf4afae41f8a3d3a48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.972975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070072/publication.txt
observed 52932528ae5a3774a6843cb6761e5149...
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.