OpenTechnical

OT-2026-000067270

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000067270) never changes.

Identity and time

Publication numberOT-2026-000067270 · never reused
Internal UUID01a0ae8f-6bd6-7fae-a7e2-0af18a3decbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067270
StatusPUBLIC

Content hashes

Canonical text59af9b53278cd65d6189e668405422c6df73118069e454ccbdbc26f43df06bd3
Markdownb13e097489ac4c439530b7b11a3963328bd1d8cba6d12b36278e32ed3af76dc6
PDF
Publication page43f70c606fac1c1e071722a6c7c7ed79af07bcdb15168aa3bb11c258e954cadc
Manifestd2a3b7d95b713469180a67063cbeb17283af19f3a36b98ac2c0b2ceb13ca0aa7

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
SignatureswXacXWFfXXH2+LAWE705O03ucD2jbHECnZBWWoLs0VzviptKfOZ6p72yajykQqZTt8GES147eYKID9JYt+FCA==
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

2026-09-17T10:30:57.204872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067270
observed 43f70c606fac1c1e071722a6c7c7ed79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.187863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067270/manifest.json
observed d2a3b7d95b713469180a67063cbeb172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.170513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067270/publication.md
observed b13e097489ac4c439530b7b11a396332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.153952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067270/publication.txt
observed 59af9b53278cd65d6189e668405422c6...
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.