OpenTechnical

OT-2026-000077246

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000077246) never changes.

Identity and time

Publication numberOT-2026-000077246 · never reused
Internal UUID01a0ae94-f508-7055-9291-2df1cc91bc30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077246
StatusPUBLIC

Content hashes

Canonical text1f64144363ae6cd98141105907034e79146eb5a5424a5b9524b069f0d4880250
Markdown00fd5dbae88d3a6dfee4b9834612d7868d965a9650bca53e429f3707b6fdccf6
PDF
Publication page0471dc49031706b70a59ffe290d2d432c32b5024585e01cc073bcb70b5b96b6b
Manifest8732ed2c0b540c6e044265c66eeb6b4170e0fb0f3ecf2bbc97319a7fe02020fa

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
SignatureN32Jac632NgEP/UV21MDXvI4BZt3n9kNVXQ0oQwp0bwNJ6IVyTOyci4/MMwprptlidD7Qt+OqM3OCPEmrf32Bw==
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

2026-09-17T10:08:51.779751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077246
observed 0471dc49031706b70a59ffe290d2d432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.762314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077246/manifest.json
observed 8732ed2c0b540c6e044265c66eeb6b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.743109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077246/publication.md
observed 00fd5dbae88d3a6dfee4b9834612d786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.722843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077246/publication.txt
observed 1f64144363ae6cd98141105907034e79...
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.