OpenTechnical

OT-2026-000088195

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000088195) never changes.

Identity and time

Publication numberOT-2026-000088195 · never reused
Internal UUID01a0ae9b-1aa8-7724-ad5c-36d2272b0b99 · 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-2026-000088195
StatusPUBLIC

Content hashes

Canonical text913e1b4d7ce81c59d6e52dde9da208498d41181133002ac61a89cd1e32837757
Markdowndd618537045ded0d7724bd74dbfdb40ca3535b50144214067f271204062f02da
PDF
Publication page72ecff6a96442f334ee89d49f2e9d739e41ecba0402dfda54bcdef93ec8e6764
Manifest2c6973daa2c070394fadac645c7da51fd2f82a180b5fd177215cd9a536aa8ed7

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
SignatureotsiAYJ3cVgYcAcMAXp0/0FnqODeBeFzSIao4swwsPfmX+zLJN/4jQjfx7JcDWBZMo6KPCHUhozRFMMeu/2eBQ==
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

2026-09-17T09:50:16.148588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088195
observed 72ecff6a96442f334ee89d49f2e9d739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.131388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088195/manifest.json
observed 2c6973daa2c070394fadac645c7da51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.111174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088195/publication.md
observed dd618537045ded0d7724bd74dbfdb40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.092320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088195/publication.txt
observed 913e1b4d7ce81c59d6e52dde9da20849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.608928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088195
observed 72ecff6a96442f334ee89d49f2e9d739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.590008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088195/manifest.json
observed 2c6973daa2c070394fadac645c7da51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.571359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088195/publication.md
observed dd618537045ded0d7724bd74dbfdb40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.552332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088195/publication.txt
observed 913e1b4d7ce81c59d6e52dde9da20849...
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.