OpenTechnical

OT-2026-000022205

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000022205) never changes.

Identity and time

Publication numberOT-2026-000022205 · never reused
Internal UUID01a0ae6f-f4fc-7cb3-83de-001486d03030 · 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-2026-000022205
StatusPUBLIC

Content hashes

Canonical text72edf2ab1d4a50a1965e34a6c93916cbdf45776d559fa3a16a317f6a115364e2
Markdown76cc886a47ed0104e1162692197a797e768e2757921658c88c416767796b911a
PDF
Publication page0260ac963b61e2711d1e3f40348064a659554a53c05ad51c761c56a90ee3de7e
Manifestac1397d9142e606231347f8751e8b3b23c77023fdbba11c63d0888748a9aa526

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
SignaturezrV+GCfNR6cTMZ2jpWKcVjrnZTexCeoT7y1cvNGkTSnkF1VzDMixu6nINy4cqk/Y5UHewSeiqY4JopZWJdYzBQ==
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

2026-09-17T11:52:53.433392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022205
observed 0260ac963b61e2711d1e3f40348064a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.414631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022205/manifest.json
observed ac1397d9142e606231347f8751e8b3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.398715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022205/publication.md
observed 76cc886a47ed0104e1162692197a797e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.382120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022205/publication.txt
observed 72edf2ab1d4a50a1965e34a6c93916cb...
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.