OpenTechnical

OT-2026-000073374

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000073374) never changes.

Identity and time

Publication numberOT-2026-000073374 · never reused
Internal UUID01a0ae92-efb8-75e0-97d6-fddfd5c9d5cd · 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-2026-000073374
StatusPUBLIC

Content hashes

Canonical text4c714f20527cf1b52438ddfd70e1aa79ee069378ce4b31289795905678d9624d
Markdowna8b3f635c224aeacb428b8d184c3a81775e903b282830a20d5c05c8c0cab3dcd
PDF
Publication page89bb7ff464cf79a1b733c3a84dacc85db4bd36b8158cd4c0557d1406f1e50531
Manifest3ff4d199d646872e5161d21848e9cd185317f2b9f76af9e06d46879c6236be6b

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
Signaturez3Sq6abyFpr2JA3h7p6XrfC9jHrszyiwCk4fRzCBIOWBj3eX7dDawI1HII0KcCaNUCRsQsNiAg/O8Ex4NUKYDg==
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

2026-09-17T10:21:24.700114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073374
observed 89bb7ff464cf79a1b733c3a84dacc85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.681667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073374/manifest.json
observed 3ff4d199d646872e5161d21848e9cd18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.663236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073374/publication.md
observed a8b3f635c224aeacb428b8d184c3a817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.643772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073374/publication.txt
observed 4c714f20527cf1b52438ddfd70e1aa79...
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.