OpenTechnical

OT-2026-000073353

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000073353) never changes.

Identity and time

Publication numberOT-2026-000073353 · never reused
Internal UUID01a0ae92-efb8-7fd5-921d-0e30f713668e · 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-2026-000073353
StatusPUBLIC

Content hashes

Canonical texta9e3f7e1437633c814cf23fb9a038db8656004b952685c50bb8f186e78643a9d
Markdownf3e2f2cfe505a8dc9d9de5c01384e70e01930298776aa207ace879f09aae8e9d
PDF
Publication page5fceb7b17beae28ff750b1911cc4e1cb7170a9c9fdba65ba7065eb1ffbff47d4
Manifestf0e8970c5f48a8cabcd82de4f69ae3046db67634c0cdbd2b3112aedf54c01b2d

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
Signature7Dj9gSnOmOBD6PPSK1gfBqsm+TK0FWzqL9wBNGG/d7x5TQ8ef+P/Huvov4kr7S8Gj+M86edyVmxIItxs1QCNBA==
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

2026-09-17T10:21:22.840202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073353
observed 5fceb7b17beae28ff750b1911cc4e1cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.819796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073353/manifest.json
observed f0e8970c5f48a8cabcd82de4f69ae304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.800499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073353/publication.md
observed f3e2f2cfe505a8dc9d9de5c01384e70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.781445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073353/publication.txt
observed a9e3f7e1437633c814cf23fb9a038db8...
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.