OpenTechnical

OT-2026-000045761

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000045761) never changes.

Identity and time

Publication numberOT-2026-000045761 · never reused
Internal UUID01a0ae7d-8f04-76db-8c6b-4a00024f7e08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045761
StatusPUBLIC

Content hashes

Canonical text4c9fd90a673bf8080273656a47c2c7ab01ff365619f6ac5320214b31ff469378
Markdownf14dd5623b90b02c4fd481d8f217939ef339500b7e96a57cf1243610d0b4e41c
PDF
Publication pageabb61d204a634983fcf86d1b5e763822867d750473b47cf96fb570d9136bfca3
Manifest8f5b5592ee6fbb5b5c03f3a0439095511b8dbc7e2103b549cb90b5630b6690eb

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
SignaturexwJBsWM4m0rNJ2asiO7QbNWDt65a04OkFru6D1EZCT/4zhr9IG1/j3YHhcL7bqSvL0IySB+9mXSAHsUqNj8oCA==
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

2026-09-17T11:09:36.643968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045761
observed abb61d204a634983fcf86d1b5e763822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:36.620819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045761/manifest.json
observed 8f5b5592ee6fbb5b5c03f3a043909551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:35.246564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045761/publication.md
observed f14dd5623b90b02c4fd481d8f217939e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:35.224507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045761/publication.txt
observed 4c9fd90a673bf8080273656a47c2c7ab...
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.