OpenTechnical

OT-2026-000064849

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064849) never changes.

Identity and time

Publication numberOT-2026-000064849 · never reused
Internal UUID01a0ae8d-debc-7f5a-9db5-f43dbd21b426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064849
StatusPUBLIC

Content hashes

Canonical text67caff653280fc9fadf0044f47f8952538fd06bc503c50e4a9a72da102f231f0
Markdownaa1611b3281d91c8b4b5308cded49f1f63eb2b90eb5d2eb784f09d61aa459894
PDF
Publication page63c12a33adb4f481ca8ea3155cdca2ef2dd1ea4179d4b99ddbd9ab698869fba1
Manifesta7d44151a8521ddfdd1899dfedfdfc0993fd7acd6bf56fd038fbf7fc4e4ea8fb

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
Signature7szv++rmFMhLFghF+TLDA/xMtkQGr3URjCBgTzS60MbpD+bFAUCqG+hr0dFjJYvU2IY74L9hlbVBMtcF7LTPCg==
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

2026-09-17T10:35:45.779329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064849
observed 63c12a33adb4f481ca8ea3155cdca2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.760179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064849/manifest.json
observed a7d44151a8521ddfdd1899dfedfdfc09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.743642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064849/publication.md
observed aa1611b3281d91c8b4b5308cded49f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.725554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064849/publication.txt
observed 67caff653280fc9fadf0044f47f89525...
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.