OpenTechnical

OT-2026-000006386

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, pump fed, polyurethane cups, flat form

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-2026-000006386) never changes.

Identity and time

Publication numberOT-2026-000006386 · never reused
Internal UUID01a0a959-2f7d-7227-ab00-429e9255fdf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:09.623129Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006386
StatusPUBLIC

Content hashes

Canonical text522cfedb01f6e66c6e6c12c61aa35e6e0145e5897d591328216cf7e0f44db6a2
Markdown2434a6cadb054a72640fc98a1e08e06b1f759f9c9393e8fa2d62dcab08578102
PDF
Publication page78dde0afc9adc2bf20e09481672f15cf6882bb74c9d7503ac301110e2dd83169
Manifestf22b4bd018cb94ef00c86f547c54e7317ed4c7026dc8a1a18f9624a77c94d7da

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
SignatureNB+XTGN5mk+hywidxDVMkrjsXv9HqZlVpdv0V8MFczOHcEREV1yX0UJ1QqQxSaWIqQkwCckR0aGz8+c9syJqCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:23.874200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006386
observed 78dde0afc9adc2bf20e09481672f15cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.718248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006386/manifest.json
observed f22b4bd018cb94ef00c86f547c54e731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.704833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006386/publication.md
observed 2434a6cadb054a72640fc98a1e08e06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.690610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006386/publication.txt
observed 522cfedb01f6e66c6e6c12c61aa35e6e...
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.