OpenTechnical

OT-2026-000088205

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088205) never changes.

Identity and time

Publication numberOT-2026-000088205 · never reused
Internal UUID01a0ae9b-1aa8-7b62-b3ff-9003453a6752 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088205
StatusPUBLIC

Content hashes

Canonical textb13652e8ef524b3e7738a60a6663f70e10c19c4f2df907ed4affb1c36cfdf205
Markdown0f4fe5287822d06addc7c2f4abb1ea9465c3cfe464650af8a7ed6ff99882ac7e
PDF
Publication page16008ef47d2d3c305473ed88e1083aaf28305cd0918d6dee6a41ff9f989999d3
Manifest0162dcfce8b39b8eeb16f8c02351e87ff796aa3d6d668e2b12834142424b33bb

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
Signature3E9RZ2oWkcNtPMD4xLMS4PptiL9MSqen8rqyppPsnmLkK1TB6oXr5p+6XEm8lSdrYpTkoPvSZ7bFI/ZmbDF4Bg==
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

2026-09-17T09:50:16.988281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088205
observed 16008ef47d2d3c305473ed88e1083aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.951430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088205/manifest.json
observed 0162dcfce8b39b8eeb16f8c02351e87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.929015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088205/publication.md
observed 0f4fe5287822d06addc7c2f4abb1ea94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.909495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088205/publication.txt
observed b13652e8ef524b3e7738a60a6663f70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.404483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088205
observed 16008ef47d2d3c305473ed88e1083aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.387143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088205/manifest.json
observed 0162dcfce8b39b8eeb16f8c02351e87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.364907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088205/publication.md
observed 0f4fe5287822d06addc7c2f4abb1ea94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.348402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088205/publication.txt
observed b13652e8ef524b3e7738a60a6663f70e...
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.