OpenTechnical

OT-2026-000009864

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-2026-000009864) never changes.

Identity and time

Publication numberOT-2026-000009864 · never reused
Internal UUID01a0ae6b-cb78-719c-b12b-3986c2c0519f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009864
StatusPUBLIC

Content hashes

Canonical textd6ca556551877fc8205b97bc8d0471499afc88bfa17ff09ac48cb22b12d785dc
Markdownbbec16c8257434621302cb22b1b392e3d96ad4d73d777edcd05d28f8eba01712
PDF
Publication pagedc55a318b14b4baaf5467c06232bcc9415ac94f4cbe73e906bc44bf294362a95
Manifestee6ecccb717a76319266a556d6001a80914a16ae05f122ade7ee048512ca8609

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
SignatureEzfICP0M4wBE8QkSaPPAK2N/Zo9n62cejXQ0hAYgfRfsUjFZbVjwih3/UuAw1sEwN2iG+3bOMg3tPjyVEPSOAQ==
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

2026-09-17T12:15:52.001009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009864
observed dc55a318b14b4baaf5467c06232bcc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.982635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009864/manifest.json
observed ee6ecccb717a76319266a556d6001a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.963059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009864/publication.md
observed bbec16c8257434621302cb22b1b392e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.943567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009864/publication.txt
observed d6ca556551877fc8205b97bc8d047149...
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.