OpenTechnical

OT-2026-000077105

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000077105) never changes.

Identity and time

Publication numberOT-2026-000077105 · never reused
Internal UUID01a0ae94-f507-7b2b-8e2f-f7047e6ece41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077105
StatusPUBLIC

Content hashes

Canonical text99efd477e15c40d933fe8bf7f0c83ef8d55ff9ab0d81fbdfc243dc6c2763ef2a
Markdownaefbea0f2bbf7b596c758fde32641e58b47e048efeedc3053aa4c7e44a1dbdeb
PDF
Publication page81fa10b005c91cfb861bbcb31ae8366c8172186f5ed6aa1e17a6374b0dfc204b
Manifest504d0f2ed9224587a23f3cab280c3e7039eab0d364594b89308cfe74d0ef0825

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
SignatureUJQtS+WnUU77WjX4KbBB4Oos2Da2Hb/I7Vz/1EelZw6gFG1Gin2IR3FHTekhYQn68dlmx9iHFsW5vLN9/yedBQ==
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

2026-09-17T10:11:34.486824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077105
observed 81fa10b005c91cfb861bbcb31ae8366c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.468842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077105/manifest.json
observed 504d0f2ed9224587a23f3cab280c3e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.451399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077105/publication.md
observed aefbea0f2bbf7b596c758fde32641e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.310372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077105/publication.txt
observed 99efd477e15c40d933fe8bf7f0c83ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.176384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077105
observed 81fa10b005c91cfb861bbcb31ae8366c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.158677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077105/manifest.json
observed 504d0f2ed9224587a23f3cab280c3e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.138875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077105/publication.md
observed aefbea0f2bbf7b596c758fde32641e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.119416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077105/publication.txt
observed 99efd477e15c40d933fe8bf7f0c83ef8...
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.