OpenTechnical

OT-2026-000073801

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000073801) never changes.

Identity and time

Publication numberOT-2026-000073801 · never reused
Internal UUID01a0ae93-2b8d-743b-bdd9-5bfb2f90897e · 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-2026-000073801
StatusPUBLIC

Content hashes

Canonical textf2e44eb791d537d180af1f1d759b212a176a59edf6a5fd5134e9720251b16c1f
Markdown3797aad1787b185b21f9efc37ee4bb8b88972b2c33037160653d8761d4dcd00f
PDF
Publication page7ed3af8ab69d8dbed52dc05633170285707c6045a208d2930fc3054f608300ed
Manifest109b91d7598378dda2cd1007b0db18c166dafc293391e161dd9350df3c683a8c

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
Signaturerh4OfflJJtlJeNEbv6Xq4Y0YIYRaw+1wgmhNPsltxlkAT0HqsFl44f3k1J9xhv3eTojGUkAEHWUXb2gFwTqLDA==
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

2026-09-17T10:19:55.118898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073801
observed 7ed3af8ab69d8dbed52dc05633170285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.099812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073801/manifest.json
observed 109b91d7598378dda2cd1007b0db18c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.079676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073801/publication.md
observed 3797aad1787b185b21f9efc37ee4bb8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.059383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073801/publication.txt
observed f2e44eb791d537d180af1f1d759b212a...
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.