OpenTechnical

OT-2026-000073649

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000073649) never changes.

Identity and time

Publication numberOT-2026-000073649 · never reused
Internal UUID01a0ae93-2b8c-7dd0-b915-7df60850f41d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073649
StatusPUBLIC

Content hashes

Canonical text7e7771fae000ed93a684f3bdf3eafb3ebc4dcbd9b5cb59523ed69de83a9f8905
Markdowna52bb7eda4ace19fa6c94b088bf4a4a3393ea2a6edebd6b1741e59eae72c4808
PDF
Publication pagef0d1373a998b3146c879d3290803425aebd7a4e729b82148818ec2545e8143d8
Manifest8377ad540213199976a7a3a22a27f1b61281aa7ff1fc342bb3c24a68108a1b1f

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
Signature+kxNGDsvIA0SjJN6r5W+nzhJ1LdDYX+/N78VU/Ga8ezTVb18v1wwEZvdx1tuznobLkQiFnPtG0z7/7R956mFCg==
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

2026-09-17T10:19:41.896579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073649
observed f0d1373a998b3146c879d3290803425a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.876845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073649/manifest.json
observed 8377ad540213199976a7a3a22a27f1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.857909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073649/publication.md
observed a52bb7eda4ace19fa6c94b088bf4a4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.838523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073649/publication.txt
observed 7e7771fae000ed93a684f3bdf3eafb3e...
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.