OpenTechnical

OT-2026-000073319

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000073319) never changes.

Identity and time

Publication numberOT-2026-000073319 · never reused
Internal UUID01a0ae92-efb7-7571-b236-e3e2d23f7758 · 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-2026-000073319
StatusPUBLIC

Content hashes

Canonical textf3e9e08bcd33981efa64c7d74ae8da4323e801862600f25b15008d20de1200aa
Markdown0580bb309fa5c8d5afd5b7c9d14515c53ca79ad68481f815b3b22298697ffe7c
PDF
Publication page685792a143446558ec42ed4de7ef674650e7e2a42d8d2848049069af94953ffc
Manifestf71819c09fa2cd11f48cd9bd30175728c10abbcd874793707b3037da863ffbe5

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
SignatureZ4HTlH0+GWCaL5VfScfW4xgWmoHdVTjHMi57zdoRaImtoyf+vDsUxXrT2dGUWhdozvAnJN5OlqRfYLALJK5PAQ==
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

2026-09-17T10:21:19.990288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073319
observed 685792a143446558ec42ed4de7ef6746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.971454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073319/manifest.json
observed f71819c09fa2cd11f48cd9bd30175728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.952956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073319/publication.md
observed 0580bb309fa5c8d5afd5b7c9d14515c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.935839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073319/publication.txt
observed f3e9e08bcd33981efa64c7d74ae8da43...
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.