OpenTechnical

OT-2026-000020246

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000020246) never changes.

Identity and time

Publication numberOT-2026-000020246 · never reused
Internal UUID01a0ae6f-4379-71e0-ac00-61a2a118e8c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020246
StatusPUBLIC

Content hashes

Canonical text2b079271627a11c91e40755b89230772169085c05e79fef7f814f8430ece77a5
Markdownd7f56c5f73a4a1b048c02d2e563825e8f8eeeb2d51650c45c917e1a48f348e35
PDF
Publication page4cc0e0c53d54ffcb2c64993280116ba14e549ccf02aa8c22c599ae062edf4a89
Manifest1f756beb072edcaf27c2f25287934caef83817fef78ce2e4d040405b78a0a020

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
Signaturet9Ca2d+c1lu0DMrCgE+7UDxgLCp5pg3h0azHeaRfHIdHoEeN9yHR5YljQDcn0oiiBoXKDtx6xVWzU1Z0Vu4MBw==
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

2026-09-17T11:56:35.462813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020246
observed 4cc0e0c53d54ffcb2c64993280116ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:35.444263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020246/manifest.json
observed 1f756beb072edcaf27c2f25287934cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:35.424648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020246/publication.md
observed d7f56c5f73a4a1b048c02d2e563825e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:35.405903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020246/publication.txt
observed 2b079271627a11c91e40755b89230772...
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.