OpenTechnical

OT-2026-000104303

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000104303) never changes.

Identity and time

Publication numberOT-2026-000104303 · never reused
Internal UUID01a0aea5-3420-74d2-afd9-f9c0e43e9537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104303
StatusPUBLIC

Content hashes

Canonical textff7c69e214a831bd50747d2b66a772ddb3b6863de530ee0c35a2a91cb007fc33
Markdownad6d5e16012c368da42a521b1f531a01cc00c7519701312ddff6c6d1c6c66449
PDF
Publication page672d31660eee4a76c5eda8d8d5d548643fc175573e4dfcfd76c04042e8226488
Manifest90bfd4b1893dd1ee7a215134a84324ec7520c65204a555e2c4509ce5d6cc8714

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
SignatureOZFm4I30TeXN82eunoqygf7zV+zFFbSHNK79MX3e/DlWvAcWp5aBMBxLfzJwwraI3QmZXloa3xtf8JUpalCWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:32.968366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104303
observed 672d31660eee4a76c5eda8d8d5d54864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.945553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104303/manifest.json
observed 90bfd4b1893dd1ee7a215134a84324ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.926162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104303/publication.md
observed ad6d5e16012c368da42a521b1f531a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.909845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104303/publication.txt
observed ff7c69e214a831bd50747d2b66a772dd...
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.