OpenTechnical

OT-2026-000030767

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000030767) never changes.

Identity and time

Publication numberOT-2026-000030767 · never reused
Internal UUID01a0ae74-3fb4-72d4-a4d1-79e04ed4490d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030767
StatusPUBLIC

Content hashes

Canonical textf225889c0259c609549b5ca823b6da807c23d9df98ea01ec1d1e511aab906b24
Markdown8eff61afcacd5aa10a0eda5149b7d0c21d78b521e616e7681d14ae88a3f56748
PDF
Publication page466cdc0e3aa42e3cea133d601253848cd9ff0f8390f29fa0ccaf7491f576a8e2
Manifestda8b1d6d057aa81c39adb7aba030dfe11404fed5745633bce089e7e82e2bd12c

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
Signaturesat8vVtMTd9lFBE5BIG3GF0Kibn//98VoBN7HkJlNWe5PPkkbQdK/4k9MxRKbkFXlJ3cUQOPTM6w2GlB26mdDg==
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

2026-09-17T11:36:43.304213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030767
observed 466cdc0e3aa42e3cea133d601253848c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.284505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030767/manifest.json
observed da8b1d6d057aa81c39adb7aba030dfe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.267888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030767/publication.md
observed 8eff61afcacd5aa10a0eda5149b7d0c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.252662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030767/publication.txt
observed f225889c0259c609549b5ca823b6da80...
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.