OpenTechnical

OT-2026-000091065

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000091065) never changes.

Identity and time

Publication numberOT-2026-000091065 · never reused
Internal UUID01a0ae9c-c012-7795-9ecd-557026027432 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091065
StatusPUBLIC

Content hashes

Canonical text00fa452220e0a9a638e5072e78fbcc2cfa3c189c12133cff63970d4c43c701a7
Markdownf44f0219c46e664ab46a9e4126f2c161bc1022c5102b3fda2e0b7f9a630c8bad
PDF
Publication page2ca870689c00f384d2c32cdbc9d8990142ef6f54db4f98505e6c0af2da311849
Manifeste0c102f5665c65a08b1276ecffc39646d419e217d4a7617db32b5b1abd8c015d

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
SignatureAUsJOvUcCtyNqnD4B+SbUs73jVFK6RYX3cbAhXU7GPVucgKQZRbaQjveXa5ou7oFkDwiaarV/nEcRWwwagA/CQ==
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

2026-09-17T09:44:18.471796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091065
observed 2ca870689c00f384d2c32cdbc9d89901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.453390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091065/manifest.json
observed e0c102f5665c65a08b1276ecffc39646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.435024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091065/publication.md
observed f44f0219c46e664ab46a9e4126f2c161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.417172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091065/publication.txt
observed 00fa452220e0a9a638e5072e78fbcc2c...
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.