OpenTechnical

OT-2026-000088228

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000088228) never changes.

Identity and time

Publication numberOT-2026-000088228 · never reused
Internal UUID01a0ae9b-1aa9-7e39-b117-7239311333af · 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-2026-000088228
StatusPUBLIC

Content hashes

Canonical text981ff6ca37e9378aa2b84ff9d6e47757313c8b2c6b387674604de172e3ea5571
Markdown9e6eb8a346c5e8298a5549b133420bbd4d61ea15eed9a8ea7796c7da88158592
PDF
Publication page88a8afbb1c0727f1f72c148aab73038d23d4b5e333af407ce1d644e341f31e8c
Manifest6f041bf5ac6ba1442fdbd9f0eefe0f5f3dda050084560c1087e60dbe9c6045ca

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
SignatureI3++rJa4tANekPtCZd7KJFHEMGahxRAKXRfW+GqZHul44o9BMvmPVebgn8irMyejWYCc3Nb5G9rbBMO5THxMCA==
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

2026-09-17T09:50:19.713203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088228
observed 88a8afbb1c0727f1f72c148aab73038d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.693916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088228/manifest.json
observed 6f041bf5ac6ba1442fdbd9f0eefe0f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.674749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088228/publication.md
observed 9e6eb8a346c5e8298a5549b133420bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.656193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088228/publication.txt
observed 981ff6ca37e9378aa2b84ff9d6e47757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.850896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088228
observed 88a8afbb1c0727f1f72c148aab73038d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.827768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088228/manifest.json
observed 6f041bf5ac6ba1442fdbd9f0eefe0f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.807704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088228/publication.md
observed 9e6eb8a346c5e8298a5549b133420bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.787369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088228/publication.txt
observed 981ff6ca37e9378aa2b84ff9d6e47757...
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.