OpenTechnical

OT-2026-000064202

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000064202) never changes.

Identity and time

Publication numberOT-2026-000064202 · never reused
Internal UUID01a0ae8d-a45f-7763-a991-7272d8e9465c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064202
StatusPUBLIC

Content hashes

Canonical text5c1ebf6156c15246d01a64da7d0f974e833f1b2d45d45995c6d02b71564d1b33
Markdownbb72c5f9f681b834a622e643c54aa98cf2d140d8b32365f48f417e83ee7f3c74
PDF
Publication pagef03a5e063e8c714d0a35a14526424cedf855bc9c85a13a0bd196f267db6c2089
Manifestd76a604b7aa63db07d9f0abfbff3da898b427a8bb4d52c64cf0a15acd7d7eff2

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
SignatureyOWk8BcuGvL/KNL8Rec+NCNdvZfgytpARUPdJxP57/oJKgwSoSwpAg817yAL/Z1FZQgx8XEHOULtuh2r3HKNDQ==
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

2026-09-17T10:36:19.148508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064202
observed f03a5e063e8c714d0a35a14526424ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.128897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064202/manifest.json
observed d76a604b7aa63db07d9f0abfbff3da89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.109985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064202/publication.md
observed bb72c5f9f681b834a622e643c54aa98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.089350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064202/publication.txt
observed 5c1ebf6156c15246d01a64da7d0f974e...
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.