OpenTechnical

OT-2026-000034173

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000034173) never changes.

Identity and time

Publication numberOT-2026-000034173 · never reused
Internal UUID01a0ae75-df0d-7ff2-a073-ef35eaca4a7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034173
StatusPUBLIC

Content hashes

Canonical text2b66ce5047a9d671ccfbabd69c8109a78ec688b858680f00aee6811955b50f9b
Markdown5ad167c86bb7e1c36fa2bfac93e5ec579abe014d50ad9206304ae545bf5ea110
PDF
Publication pagedfb7da471b30e12a12b614cba52f179306b99778bef9ddb2ce6e3a247a289556
Manifestb86026cdfbdde86746e9ee8fa00cdbc9468c067a7e752b904bf28d9b4774813d

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
SignatureStO64YehTGWEXXNFk377S+i2mNil0/mfGckE32K2N6+K9rFFOAiDhxdQrnMEfgCXG4uKBAJVe93EkA5wnFLmCQ==
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

2026-09-17T11:30:42.176821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034173
observed dfb7da471b30e12a12b614cba52f1793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.158037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034173/manifest.json
observed b86026cdfbdde86746e9ee8fa00cdbc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.139690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034173/publication.md
observed 5ad167c86bb7e1c36fa2bfac93e5ec57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.121161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034173/publication.txt
observed 2b66ce5047a9d671ccfbabd69c8109a7...
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.