OpenTechnical

OT-2026-000072463

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000072463) never changes.

Identity and time

Publication numberOT-2026-000072463 · never reused
Internal UUID01a0ae92-89d8-78e7-a7b8-dec6abe5b845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072463
StatusPUBLIC

Content hashes

Canonical text29f2c6d2142d5267ae6c3663b9b0979636ab9ccd340fc91ede6a302a2370fc7e
Markdown7377c94a828c6e548f84ffee931b13ac0cfd44462d4889646e6e04c8d8b119af
PDF
Publication paged739ba852f2c9273f35e57dfd557e82ecfdeab255bce789ccc2442f34771a47a
Manifeste75a38219601c2af2eaec7fe2174a48584186321438d4f92eb591cc468614952

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
SignatureShsMYGE4kB5A3xabhX23FI80GE7CUub/rUgY7tgXJ5W/TW/32bsyCYrG3/NvUA4p6yIED/0W9u7LyKdzIryBCA==
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

2026-09-17T10:22:17.177558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072463
observed d739ba852f2c9273f35e57dfd557e82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.161389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072463/manifest.json
observed e75a38219601c2af2eaec7fe2174a485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.142208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072463/publication.md
observed 7377c94a828c6e548f84ffee931b13ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.122985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072463/publication.txt
observed 29f2c6d2142d5267ae6c3663b9b09796...
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.