OpenTechnical

OT-2026-000087668

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000087668) never changes.

Identity and time

Publication numberOT-2026-000087668 · never reused
Internal UUID01a0ae9a-cd54-772b-a23d-ca7d7a7ef4f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087668
StatusPUBLIC

Content hashes

Canonical text8587a09342434f4c7ba2a83414a303c1ac4343cb6cffaa702d32a3605cf5c72f
Markdownd3512e5a0a5109eb3be7e62657c00c07ff83be32cb62e7c82890310973246d95
PDF
Publication page6e33afc5167af6f22b6301e139aa22f0e7f1bd5c08e22ec1de2ff8976cf13898
Manifestd44cfd92980283b7bd0fb18e656a22b3798b1b90237ff382a5de7d4b3a4ad889

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
SignaturefdpHkl8CKpDjR38B9t/9zwPNZKkfuCluYUghp6soqZibKoUtiYjounI0/T6YNVaY4MyZCwj9k1GyMHI1E/+XBQ==
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

2026-09-17T09:51:06.843574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087668
observed 6e33afc5167af6f22b6301e139aa22f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.826524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087668/manifest.json
observed d44cfd92980283b7bd0fb18e656a22b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.810658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087668/publication.md
observed d3512e5a0a5109eb3be7e62657c00c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.793983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087668/publication.txt
observed 8587a09342434f4c7ba2a83414a303c1...
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.