OpenTechnical

OT-2026-000005281

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified at each zone, contact triggered on the face

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-2026-000005281) never changes.

Identity and time

Publication numberOT-2026-000005281 · never reused
Internal UUID01a0a933-c523-736e-bcfc-e8ff354171a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:17.446278Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005281
StatusPUBLIC

Content hashes

Canonical textb34bb973df8b6929a1dea0ff47702f6899b642685d29b35847df60441fb198d6
Markdowna4f3d5d16db2467a70304946ec88e33dae0097cc11b4d2fb3deeb40a12e22957
PDF
Publication pageaafc6b78c321f0f26c43675248e9c0e0033b25f2999ac0a8202f44f473e14faa
Manifestf7a060995d4f27b2fec01be008baa8dfbf53cda39e468451cd6fb27e72770db3

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
SignatureQ0Q89InJVp9rxZ7DDJ++iMzQiWoimNqEe8HLQbxutjrZkBDGQZu9nHEjPjCbv0UeCJL0LVwheqOITF+PqUzyDQ==
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

2026-09-16T08:00:27.218197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005281
observed aafc6b78c321f0f26c43675248e9c0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.204538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005281/manifest.json
observed f7a060995d4f27b2fec01be008baa8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.191425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005281/publication.md
observed a4f3d5d16db2467a70304946ec88e33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.178644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005281/publication.txt
observed b34bb973df8b6929a1dea0ff47702f68...
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.