OpenTechnical

OT-2026-000073599

Publication integrity record

Four 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-2026-000073599) never changes.

Identity and time

Publication numberOT-2026-000073599 · never reused
Internal UUID01a0ae92-efb9-7021-b45f-f94dd193706c · 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-2026-000073599
StatusPUBLIC

Content hashes

Canonical textf9d5ad5a0a25afc5bba2b76d15cc0c82dac521c11591e14a90e2bec41a381e6e
Markdown2d654f91ff11b8c9b2fcecf511a0d5cde3be9cd2098ab0775477da2ff92720b5
PDF
Publication pageb181d8f662e1adde8d8636bb9be3d18921d71c1aefe888b58d1fc747b1fbd5b9
Manifest21fdb18ff947fe7e21d79c384676f869968e138fd3b8107d2af3bcc47fc078ad

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
SignaturejVOgS3bckqBDiOiPUdJpPXDm2SqmX8liC99WikLBYh+hL0y39mRkxm4XaTeom9U/Jj6tR2SNxHRtBl0UM04vBg==
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

2026-09-17T10:21:46.886900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073599
observed b181d8f662e1adde8d8636bb9be3d189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.869365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073599/manifest.json
observed 21fdb18ff947fe7e21d79c384676f869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.850763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073599/publication.md
observed 2d654f91ff11b8c9b2fcecf511a0d5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.832154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073599/publication.txt
observed f9d5ad5a0a25afc5bba2b76d15cc0c82...
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.