OpenTechnical

OT-2026-000027808

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000027808) never changes.

Identity and time

Publication numberOT-2026-000027808 · never reused
Internal UUID01a0ae72-a4a5-7063-9ef9-f71e304d9979 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027808
StatusPUBLIC

Content hashes

Canonical textb469d2ae5aaf95a075bc8f9d187975e0e9b52c7fe8cc82e88ce1d9d506e94c62
Markdownf99a8618ade3b28992700bb75fda67e932e4983ed83c4821fe4a4a846dc9e75e
PDF
Publication page8886cd658bb20a178767ebf008f32f5a5c26ff75eeb5c1a0c8f3b5d07aa31d89
Manifest20c6693ba925ace8c93fa8f30715b72d6af9e5d1a6243ce5a1023d7b10e3201c

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
SignaturedEFWgFq+OiqrT9LJdEk9wdax/QWZBpd6+KQsiadDadwo3sQDzLkdHCmVj/RWnZcfA5BZDH8mwu2pLEucl+4KBA==
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

2026-09-17T11:41:51.399153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027808
observed 8886cd658bb20a178767ebf008f32f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.377111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027808/manifest.json
observed 20c6693ba925ace8c93fa8f30715b72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.358372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027808/publication.md
observed f99a8618ade3b28992700bb75fda67e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.339685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027808/publication.txt
observed b469d2ae5aaf95a075bc8f9d187975e0...
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.