OpenTechnical

OT-2026-000022294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022294) never changes.

Identity and time

Publication numberOT-2026-000022294 · never reused
Internal UUID01a0ae6f-f4fc-78ca-a464-a5eb127e119e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022294
StatusPUBLIC

Content hashes

Canonical text95053cfa1c485dbb5d7f48c8484369aaff385b29b7b050493bd0610e2f690f18
Markdown79bf5e9ac9c39e993b29eda9696cfff5f9e72f8e51ec4f6910e9ad31a1a30bd1
PDF
Publication page42105dc49acb10861adee65bac7dcab5ff70a482517e25eaffbbde5035a3a286
Manifestb609e30c540b220417c023ec6c55fc5e8bdec727589403e933a9b3377e342498

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
Signature4Czf8Owq5/cZhWttsAOSf6To33a8nTkj7xA1/J3BksfpIhsJo/dYhe3Gmm0bDTGgnxpHUercEuyNYyRsHs7XAA==
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

2026-09-17T11:53:05.816959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022294
observed 42105dc49acb10861adee65bac7dcab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.799557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022294/manifest.json
observed b609e30c540b220417c023ec6c55fc5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.781230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022294/publication.md
observed 79bf5e9ac9c39e993b29eda9696cfff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.762318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022294/publication.txt
observed 95053cfa1c485dbb5d7f48c8484369aa...
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.