OpenTechnical

OT-2026-000009874

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000009874) never changes.

Identity and time

Publication numberOT-2026-000009874 · never reused
Internal UUID01a0ae6b-cb78-7e4e-a562-64121e86760c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009874
StatusPUBLIC

Content hashes

Canonical texte33ba70ae77cc4e264fd6c9a71c043f3d588b496131a1f5308062fe4e3ce0316
Markdown07650b3a046d278c425cdc9d16e135cc2121dff1ee771b86fe838b480447a972
PDF
Publication page369424a8d57b7b638ec3aaaf0293885be1368bfdefcd698028de0477e6baf27d
Manifest2f28d9449901c67fc921d484e286f9e1e95f6299c1a898dff0e8d7f06c0d5c66

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
SignatureCY2k8eFiGJbyDXKvsgCD38uhkvF33PN9JDrwPXuo1v/huqOjGwtnIawRBGJ03Ap9l/0dIH8aMfDGyWRsbKIUBQ==
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

2026-09-17T12:15:52.761027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009874
observed 369424a8d57b7b638ec3aaaf0293885b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.741847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009874/manifest.json
observed 2f28d9449901c67fc921d484e286f9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.722481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009874/publication.md
observed 07650b3a046d278c425cdc9d16e135cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.700044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009874/publication.txt
observed e33ba70ae77cc4e264fd6c9a71c043f3...
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.