OpenTechnical

OT-2026-000007847

Publication integrity record

Two finger electric 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-2026-000007847) never changes.

Identity and time

Publication numberOT-2026-000007847 · never reused
Internal UUID01a0ae6a-908a-738a-bf2f-0ae1c133327d · 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-2026-000007847
StatusPUBLIC

Content hashes

Canonical text0eb58b9be5c9916cd9fdbbe50c1f89f1bf735233740e9762e7bd19e3e1d7d76a
Markdown9b6a0c673e8f90e70923544f344d03d05d2dc9746eafa848a4795a81d687b0e4
PDF
Publication pagefc4e0b708e9da35d4aa5e805d642988e70599728801106a3c1c6078fbd13f805
Manifest6f52710100d38ed413bc211eb89117e6424d85f068a6a76c6fe884386cb45d38

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
Signatureh+R/T7VYPYWLEktGlHdci0rXconLeq7sb22UN/pYTVDJuQpJ0orZPYw8ssz5JkfzO1unhh2QY9IVdUub/wt1AA==
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

2026-09-17T12:20:07.236020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007847
observed fc4e0b708e9da35d4aa5e805d642988e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.218640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007847/manifest.json
observed 6f52710100d38ed413bc211eb89117e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.201156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007847/publication.md
observed 9b6a0c673e8f90e70923544f344d03d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.182386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007847/publication.txt
observed 0eb58b9be5c9916cd9fdbbe50c1f89f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.406945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007847
observed fc4e0b708e9da35d4aa5e805d642988e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.388626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007847/manifest.json
observed 6f52710100d38ed413bc211eb89117e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.371185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007847/publication.md
observed 9b6a0c673e8f90e70923544f344d03d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.353177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007847/publication.txt
observed 0eb58b9be5c9916cd9fdbbe50c1f89f1...
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.