OpenTechnical

OT-2026-000078712

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000078712) never changes.

Identity and time

Publication numberOT-2026-000078712 · never reused
Internal UUID01a0ae95-ccbc-7f22-9050-b183312be8e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078712
StatusPUBLIC

Content hashes

Canonical text15f7fd38fa5dd30cf9036c7e7c0976eb15c211debcdeb88fd73739949ed4a643
Markdownbbde7dc24bbc3ade3655b8363c29b3f492dad6c5f7274eceab6dade18369acc1
PDF
Publication page01b13ecc08edd7dd0db206a8f74491f677adc11876768b4098eef518183622a1
Manifest91f7e8b540cb3765fb18ceb38b345a63675e8456b141eb5e2dd4152baf59c17c

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
SignatureNVPOgeT7Co7xxx8GPiq8k/i/uR05VNW6/ntFt+gJCAi6IwhOWzm9GzbxH2WabpIOldSPkERrsqdi3YR3twdnAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:20.124142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078712
observed 01b13ecc08edd7dd0db206a8f74491f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:20.107329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078712/manifest.json
observed 91f7e8b540cb3765fb18ceb38b345a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:20.090894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078712/publication.md
observed bbde7dc24bbc3ade3655b8363c29b3f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:20.073908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078712/publication.txt
observed 15f7fd38fa5dd30cf9036c7e7c0976eb...
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.