OpenTechnical

OT-2026-000005895

Publication integrity record

Vacuum cup gripper, per zone isolation, pump fed, pressure verified, 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-2026-000005895) never changes.

Identity and time

Publication numberOT-2026-000005895 · never reused
Internal UUID01a0a948-6cf9-7546-82e2-41016a0bafbf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:14:51.132547Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005895
StatusPUBLIC

Content hashes

Canonical text70873af4dde7242f2ebb84418f92084055f5c02ac53e335d0d072f1611af2794
Markdown8eeb3842a930886bfd013a3cbe20f947c333c0d76e310d4948f6510833e9e5d9
PDF
Publication pagebe151f731713a7596b337c17979d4468429fd3ae30d5017c08a2d1cf4d3f8ae1
Manifestafe2a5a7fe2555a99eab793dbcdd87d721b97683ff1b7d036d8b106b6b25752b

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
Signature1fbCZbWBi6cfhoTZwkNhX4uC9hxcg4DweJ/P4avXlZtCY7nsjUQJcNZwDAZVuyZDTTgTF/qn4OAMm9JbZ7b0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:20.406811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005895
observed be151f731713a7596b337c17979d4468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:20.389202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005895/manifest.json
observed afe2a5a7fe2555a99eab793dbcdd87d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:20.373866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005895/publication.md
observed 8eeb3842a930886bfd013a3cbe20f947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:20.232965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005895/publication.txt
observed 70873af4dde7242f2ebb84418f920840...
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.