OpenTechnical

OT-2026-000074358

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074358) never changes.

Identity and time

Publication numberOT-2026-000074358 · never reused
Internal UUID01a0ae93-7179-7720-94ff-c62fb70e1aae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074358
StatusPUBLIC

Content hashes

Canonical texte0e1ee1af06a82482140aa6df4d67cb538c15ca5f94b1a3bc3311a3e7a03f6fd
Markdownd0d9a4e1283cd136d59607340e6aced0632d0709a9339b969fb332a1710e3a7e
PDF
Publication page6424ac23885d6c49ef608e46b7f3f5f4a1ac97236bda758d2348b9138b4509a1
Manifest500a712e801615b49a7842f8726c4f5699f47bf2c9e9352d0715360e8a699398

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
SignatureQ9gV5G6E+iMnUUNyTZBwxaLap79oVpOMg4WCFTN6X2NZS6pq8K4RZpzswYHp6H9Eg5rn5BWzbLcg6mAteXmODw==
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

2026-09-17T10:19:17.014790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074358
observed 6424ac23885d6c49ef608e46b7f3f5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.998089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074358/manifest.json
observed 500a712e801615b49a7842f8726c4f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.979663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074358/publication.md
observed d0d9a4e1283cd136d59607340e6aced0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.958073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074358/publication.txt
observed e0e1ee1af06a82482140aa6df4d67cb5...
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.