OpenTechnical

OT-2026-000034086

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000034086) never changes.

Identity and time

Publication numberOT-2026-000034086 · never reused
Internal UUID01a0ae75-df0c-7573-a77b-3f22b28959e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034086
StatusPUBLIC

Content hashes

Canonical text33bd0db13b3ed706ce57203988e970230800fa560c2f4e3d7e622a2863016832
Markdown3aa18716933fd0bf675cb1bf2a3b4eb50b2d6450592b58fa207dae85051d8b6d
PDF
Publication pagefbff8d5c5294c28f3f7000da81da582d89259612b584469ef5e8481adcc892fe
Manifestade7f8ca20849e2b1fcd9213a5d2496505e346a8f2e38c7f77b5e749983ee4ee

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
SignatureZP+rLRcu7qJqq6pZzUsQOT9DLnAyG/7umwsh1Lk9luFwkFuSbYteCVLwGNjG0PBqxNY8Zbw/lprBX0EF2xuVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:27.345240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034086
observed fbff8d5c5294c28f3f7000da81da582d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.325939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034086/manifest.json
observed ade7f8ca20849e2b1fcd9213a5d24965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.295949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034086/publication.md
observed 3aa18716933fd0bf675cb1bf2a3b4eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.275986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034086/publication.txt
observed 33bd0db13b3ed706ce57203988e97023...
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.