OpenTechnical

OT-2026-000009417

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000009417) never changes.

Identity and time

Publication numberOT-2026-000009417 · never reused
Internal UUID01a0ae6b-7561-7a56-a9ae-7a5853b8790e · 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-2026-000009417
StatusPUBLIC

Content hashes

Canonical text0eb0da3207b88468cd2048c49d21e9b858059997ea2d558b59da3ca9711acae2
Markdown958a4d47748260453a67d20ccca6943cfb3a5e2bef824619e9d1b5bebc379652
PDF
Publication page72eb62b7ecbfb7a752ee23a394f0a8050199b059dcbf9b3ccda71d7a98eb08fe
Manifest448ac44fe1bfc803818f1515bdb36207d6a295507fce2838064816578c179d84

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
Signature+PnuNdIRMSeRbEg6gPKpauBJMNfJVpzVnbzGJ9bYpCnOw4W8zSLHXTddSshID0EcKnnuI1LYqykIXAutxP2eDA==
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

2026-09-17T12:16:42.071019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009417
observed 72eb62b7ecbfb7a752ee23a394f0a805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.055256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009417/manifest.json
observed 448ac44fe1bfc803818f1515bdb36207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.037880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009417/publication.md
observed 958a4d47748260453a67d20ccca6943c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.018237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009417/publication.txt
observed 0eb0da3207b88468cd2048c49d21e9b8...
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.