OpenTechnical

OT-2026-000009244

Publication integrity record

Two finger pneumatic gripper, stripped after set-down, on a tool changer

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-2026-000009244) never changes.

Identity and time

Publication numberOT-2026-000009244 · never reused
Internal UUID01a0ae6b-31b9-7906-8fdd-cc030e5fc00b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009244
StatusPUBLIC

Content hashes

Canonical text029d7226bb7bf81797c829702765ae64331d79acd1d837938343caa020bea25a
Markdown18645ecaf9c2296e9e62f36e4e52e2f13897ca071d3a06fd7c43d99850ee63ec
PDF
Publication page1e37967a2e44cf45eeb6cf09addea3b0317abfa650334289597372284687eda7
Manifest9dc5268d22c5e19eb7926c759120f59dedc6277ce040bbe34523b2059942ffd7

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
SignatureAxS7Nz32ruqNfXlGWh0DHzrm7EZALj+uCxJAQC+owyqSgl2GPz8Y5ESynfV6lhzyd+CMlxy9HuTYgXbtojB3Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:58.867028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009244
observed 1e37967a2e44cf45eeb6cf09addea3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.843767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009244/manifest.json
observed 9dc5268d22c5e19eb7926c759120f59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.822854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009244/publication.md
observed 18645ecaf9c2296e9e62f36e4e52e2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.804781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009244/publication.txt
observed 029d7226bb7bf81797c829702765ae64...
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.