OpenTechnical

OT-2026-000056850

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056850) never changes.

Identity and time

Publication numberOT-2026-000056850 · never reused
Internal UUID01a0ae87-7af8-73c8-ac52-ece423309eb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056850
StatusPUBLIC

Content hashes

Canonical textc679633a857cad265172d312a8e0485a5cb9b368377686b126d0a200172384c9
Markdown6cadaae50b2c864b6ba369197aea0db81c09406fa0baea7d6b9858f987fc3025
PDF
Publication page153d54bee7131b46845d34bf6c013eba598753c871a36a7a2967e1c1edd537f7
Manifest759d4c750858a40f8d3bbb285f38bb3a024e87d8875f4650de53881d73c8f6cf

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
Signature+m5BsdetNE0jDUM7bL30kg/vP25alreVxefIJFPVi3ZLZs64CIxMlSw8vGMRtfioTENF26Tk7bvNv8bu9WzlDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:21.048337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056850
observed 153d54bee7131b46845d34bf6c013eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.030900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056850/manifest.json
observed 759d4c750858a40f8d3bbb285f38bb3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.011654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056850/publication.md
observed 6cadaae50b2c864b6ba369197aea0db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.993349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056850/publication.txt
observed c679633a857cad265172d312a8e0485a...
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.