OpenTechnical

OT-2026-000018308

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000018308) never changes.

Identity and time

Publication numberOT-2026-000018308 · never reused
Internal UUID01a0ae6e-b489-7817-bcc7-4a558c52a878 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018308
StatusPUBLIC

Content hashes

Canonical text05f5b668c30c3bfe96a822ce32a048222a46121f8f5fa8dfe1b1c72035d67946
Markdownf27dd70bd2e80dfa21390a2b78fdbac2830a58b33ecc1b64aae3ef9e5f4a9a4b
PDF
Publication pagec2094164d3e1bcc27938f004a66b6f0f909ebbfd48888aa3639af8de7c5aa8a2
Manifest31bf321a35aed09cbd526b14da9c69109587576d62d433c364d0d777d2e2a153

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
Signatureu06NzU++/OJYWqTYxtLeMKYk5l3bprMPA4UYMhXljKtD74oqhrFQFQ3RoMYcFfKfFqNKSlLSaQNLxNPkz+1xAg==
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

2026-09-17T12:01:02.615155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018308
observed c2094164d3e1bcc27938f004a66b6f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.599461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018308/manifest.json
observed 31bf321a35aed09cbd526b14da9c6910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.584199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018308/publication.md
observed f27dd70bd2e80dfa21390a2b78fdbac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.568382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018308/publication.txt
observed 05f5b668c30c3bfe96a822ce32a04822...
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.