OpenTechnical

OT-2026-000007817

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000007817) never changes.

Identity and time

Publication numberOT-2026-000007817 · never reused
Internal UUID01a0ae6a-908a-75a7-a413-d7c7a9dc4362 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007817
StatusPUBLIC

Content hashes

Canonical text0f150a9fcf3552bdac95d9a59e62848606a5912309c3c0acfdf056440e3e82f0
Markdown2bdb7e0d9d895f31ee5a713c1949f7c8afee6ebdb13062e4ff61bfbef8979dc9
PDF
Publication pagec61780779f19d67f551e87ddaab77a703a05bbf76959b66f8220dbb986bc7813
Manifest1585b520c19dfaa0f7ffa6d2e0cb9f76d1b9b44e85af0108d81a061dec42edbd

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
SignatureY6uSsxBT1lICJnmp6uW7hntYyrKzmmiv27WgMv+TdwDqr6FY0IlOR6KyKtGXb12yeGVCyUVj1LbVFVwvFZq7Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:07.517584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007817
observed c61780779f19d67f551e87ddaab77a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.499587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007817/manifest.json
observed 1585b520c19dfaa0f7ffa6d2e0cb9f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.477846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007817/publication.md
observed 2bdb7e0d9d895f31ee5a713c1949f7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.459558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007817/publication.txt
observed 0f150a9fcf3552bdac95d9a59e628486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.710007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007817
observed c61780779f19d67f551e87ddaab77a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.692412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007817/manifest.json
observed 1585b520c19dfaa0f7ffa6d2e0cb9f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.674784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007817/publication.md
observed 2bdb7e0d9d895f31ee5a713c1949f7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.656390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007817/publication.txt
observed 0f150a9fcf3552bdac95d9a59e628486...
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.