OpenTechnical

OT-2026-000009481

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000009481) never changes.

Identity and time

Publication numberOT-2026-000009481 · never reused
Internal UUID01a0ae6b-7562-7989-81d9-9491083e97f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009481
StatusPUBLIC

Content hashes

Canonical text468ccf875e46266e030bec1b52743bf0ed449264bb24ea6c6b2303a21f14d904
Markdown83998a0431a61cce074421021bc962129668c9dffb1032010892adad5e9be189
PDF
Publication page69c5406616c9339e8dafdd2a7bb295d4461a4df4d7f7d8a563acacb41a80b2a2
Manifest5d6c94435b4d25d1700c9c00483b06cf364f138791c47916902a11230bc7bb49

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
Signature6mHImcYe0hZBa0a66DcWO7rj0liaAAKz53ZzFAe5ds+JwZrnqiJJj492rRTnfv+PvpRKJBypAMgB2f5rDNKqAw==
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

2026-09-17T12:16:52.702885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009481
observed 69c5406616c9339e8dafdd2a7bb295d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.683759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009481/manifest.json
observed 5d6c94435b4d25d1700c9c00483b06cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.664306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009481/publication.md
observed 83998a0431a61cce074421021bc96212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.643017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009481/publication.txt
observed 468ccf875e46266e030bec1b52743bf0...
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.