OpenTechnical

OT-2026-000030748

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000030748) never changes.

Identity and time

Publication numberOT-2026-000030748 · never reused
Internal UUID01a0ae74-3fb4-7807-888a-fe4c098135e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030748
StatusPUBLIC

Content hashes

Canonical text0be34127778371596402e765cba194ce08afb7eff0e6b46a439e58835feb689b
Markdown7b79095ee98ff7d6a2232ad85f91dad88af991b6e17de6a33f8f7d5a7e3c8b58
PDF
Publication page82923e665f3b5928b3bc1a162874886ab97507024af71cf338be1ddbc82d9cfe
Manifestc3f3c1f2a0980895f30bee544947060a3cbb48d7c11de563a3db0560a78ccded

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
SignatureBczY1/nG+iiMGi2jmPjRDDc4C2mxYNnp2GZZhui+z1EtypapVdXUoBsaC1+87Th/I5lYP16VP50LG0kuGzypBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:41.422718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030748
observed 82923e665f3b5928b3bc1a162874886a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.403868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030748/manifest.json
observed c3f3c1f2a0980895f30bee544947060a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.386018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030748/publication.md
observed 7b79095ee98ff7d6a2232ad85f91dad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.365026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030748/publication.txt
observed 0be34127778371596402e765cba194ce...
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.