OpenTechnical

OT-2026-000044754

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000044754) never changes.

Identity and time

Publication numberOT-2026-000044754 · never reused
Internal UUID01a0ae7c-911a-7016-ad64-7949d1e1f176 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044754
StatusPUBLIC

Content hashes

Canonical text63385b7d07192c922b03f4f84afe4c4feb70d64e58e45b3652c0e80839873760
Markdown9b311ebd526b63e5f0288126767a8dc3c4ca0ea6242dee3684a278f5f4bafc7e
PDF
Publication pagedd2032e0e9c71bcf030623572db9713ddd04fbac0b3594b844de4002a0b67d66
Manifest82776ac4fce714fe005125d9241afb24074a1c5bc5c10c5958736d18b444485c

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
SignatureAyC9TaU9PgBpzqtfd8DTvmqJ35tPoMp2/sSKLW4fK7IU9cqeUrUVY/pjkr/u2qCkhIFUt53AC1IznRbMZRMHBg==
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

2026-09-17T11:11:22.291669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044754
observed dd2032e0e9c71bcf030623572db9713d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.273239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044754/manifest.json
observed 82776ac4fce714fe005125d9241afb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.256579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044754/publication.md
observed 9b311ebd526b63e5f0288126767a8dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.238974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044754/publication.txt
observed 63385b7d07192c922b03f4f84afe4c4f...
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.