OpenTechnical

OT-2026-000005307

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, ejector fed, contact triggered

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-2026-000005307) never changes.

Identity and time

Publication numberOT-2026-000005307 · never reused
Internal UUID01a0a934-ecfb-7634-abca-09e249f71559 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:53:33.182327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005307
StatusPUBLIC

Content hashes

Canonical text42a6577f67461bfa89405567bda597bda8dbc38e53c1156ca833083cb39fc78a
Markdown476088a02d6bc5ce37a997c87ecfa783b4f28c9f81e266c214dde838b84a56e4
PDF
Publication paged2e9344ebdf0d788faff9641351365eeab3b9bf0d4070ab5be7a1297b7b4cf46
Manifest90f2e23a9de82d49a2117af4f2eb724fae69d5d05d71aedfcfc8e6faf4ab1fe7

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
SignatureCQBwbwgcEusc7jmFeiQ6lo+7wheFXGqNdCF9LxUcWvdSRwJgFTCtIR3ssGei4pr7v8CqSj6nUFSHfJnCU+z2Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:24.427194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005307
observed d2e9344ebdf0d788faff9641351365ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.415149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005307/manifest.json
observed 90f2e23a9de82d49a2117af4f2eb724f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.402453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005307/publication.md
observed 476088a02d6bc5ce37a997c87ecfa783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.387477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005307/publication.txt
observed 42a6577f67461bfa89405567bda597bd...
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.