OpenTechnical

OT-2026-000030678

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000030678) never changes.

Identity and time

Publication numberOT-2026-000030678 · never reused
Internal UUID01a0ae74-3fb3-74f4-9e0b-dd0c8d9c484f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030678
StatusPUBLIC

Content hashes

Canonical text48a3c145bc8de94b87e9764be7fdf4586075034ee7e6cb6f1324d9fb0d51a18a
Markdown6c22a299fc8e59ced5b309d6615d94520391a18f99998d3551ac1132c1602373
PDF
Publication pageba6c00af684e5880b7c445000feadfd1d17bde3e50a37b53d753941e27ffd34d
Manifestf06641e49b6b333fdc3c3b8e3ddc813b4020ee3ebb1902bc4f66609b6cbab215

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
SignatureEztDW79Gf6VR6Dyt2X8ne44PXKh1H6saTy2Jg3LqSFq8BBsbQoztQXvZxmoNaJZXkniOrMGlBhHecrixxaiECw==
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

2026-09-17T11:36:34.358199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030678
observed ba6c00af684e5880b7c445000feadfd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.340275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030678/manifest.json
observed f06641e49b6b333fdc3c3b8e3ddc813b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.322907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030678/publication.md
observed 6c22a299fc8e59ced5b309d6615d9452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.305751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030678/publication.txt
observed 48a3c145bc8de94b87e9764be7fdf458...
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.