OpenTechnical

OT-2026-000075399

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000075399) never changes.

Identity and time

Publication numberOT-2026-000075399 · never reused
Internal UUID01a0ae93-f201-7b1e-8a19-0f8f2a6339f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075399
StatusPUBLIC

Content hashes

Canonical textbbb311693b44bda722919faa15d82bcc41c52be25160a24f446b80282c0ce008
Markdown7c9274ee7629ac2707407b34d3cf3b1c06ad75cc942f1205c1d7da9afc7b6b1f
PDF
Publication page180aaf23d9cdfe3f439485aed6cc1f8238d358daba89daf1ef4d0dcac4b8e297
Manifest7b8b7fc70cd405429296f4693a8245cfb81dc7c1aa1efc2aeecfb0566a3e29c9

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
Signaturek2+dLD+eR1AdIW0674nNAhJKEKkl7zRCdDoKktqBsXT9eEIHJ42+Ngn638znqvFLPg56jrWkNt3OjsIDdUZyAg==
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

2026-09-17T10:17:29.712637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075399
observed 180aaf23d9cdfe3f439485aed6cc1f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:29.694950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075399/manifest.json
observed 7b8b7fc70cd405429296f4693a8245cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:29.300676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075399/publication.md
observed 7c9274ee7629ac2707407b34d3cf3b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:29.283187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075399/publication.txt
observed bbb311693b44bda722919faa15d82bcc...
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.