OpenTechnical

OT-2026-000007845

Publication integrity record

Two finger electric gripper, 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-2026-000007845) never changes.

Identity and time

Publication numberOT-2026-000007845 · never reused
Internal UUID01a0ae6a-908a-71b8-a557-8408a96c3add · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007845
StatusPUBLIC

Content hashes

Canonical textc1a00aca18adb990bae638478a107d52f38e4fbb6d6bc753d5d5ed9e6355d8c8
Markdownb817cd325fc355c368b4661cddead9e644a66a4851e18331dec55f77868b0dd4
PDF
Publication page07bc4e40f32ae62e6bdbd8fd84fd0322a36dcafd0f1e82c588b79c8605fdf531
Manifest40c5e4e3d1571821c6dff181c17c7bec40215e395e77e7b12e66df453639c218

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
Signature/40LLXNE+qvSjAdajDph77gZyWU4QJouKNZ2s4Y8lXO6CY5pxDMd6wGWs0mHNTJPnUGy2Qm28ntViReO1S6nBA==
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

2026-09-17T12:20:06.974767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007845
observed 07bc4e40f32ae62e6bdbd8fd84fd0322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.956859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007845/manifest.json
observed 40c5e4e3d1571821c6dff181c17c7bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.935343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007845/publication.md
observed b817cd325fc355c368b4661cddead9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.916014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007845/publication.txt
observed c1a00aca18adb990bae638478a107d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.164955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007845
observed 07bc4e40f32ae62e6bdbd8fd84fd0322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.146617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007845/manifest.json
observed 40c5e4e3d1571821c6dff181c17c7bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.126364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007845/publication.md
observed b817cd325fc355c368b4661cddead9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.106683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007845/publication.txt
observed c1a00aca18adb990bae638478a107d52...
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.