OpenTechnical

OT-2026-000070030

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000070030) never changes.

Identity and time

Publication numberOT-2026-000070030 · never reused
Internal UUID01a0ae91-1861-70fd-8a55-3f86a23fff68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070030
StatusPUBLIC

Content hashes

Canonical textbdfe3f9c46f681de6d6ccabc0e139e4bacb6af0e06458629f1080ddd1f0af581
Markdownabb6ea5cb9990fa5bff69c2764c2a8565ac4d382637f93803a49c7dffcf256e4
PDF
Publication pagececa37b13fa4bc70a0bcf00fc0482d890a56b6cbc49089f4198a52a2a9fb40eb
Manifest1f460ef7a3de693772a9ec89a333daaf74783ca97b83a5e71fbde8e6938de545

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
SignatureO8w2xnT5j8MI6hCBQ9vFyNXdosZEhxPTgwQyhepCtxSWdB+l0JdwHNXOdhZp+zJJfqq171j0xZ6dUaxmkye2BQ==
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

2026-09-17T10:26:58.978835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070030
observed ceca37b13fa4bc70a0bcf00fc0482d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.962902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070030/manifest.json
observed 1f460ef7a3de693772a9ec89a333daaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.945809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070030/publication.md
observed abb6ea5cb9990fa5bff69c2764c2a856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.928848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070030/publication.txt
observed bdfe3f9c46f681de6d6ccabc0e139e4b...
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.