OpenTechnical

OT-2026-000011842

Publication integrity record

Four finger electric gripper, stripped after set-down

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-2026-000011842) never changes.

Identity and time

Publication numberOT-2026-000011842 · never reused
Internal UUID01a0ae6d-1941-7566-9669-bddd960ab67f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011842
StatusPUBLIC

Content hashes

Canonical texte189028260c3d035d36d501ac2bfda60c9d09b3f7b26bf9e05673894d36f4382
Markdown5c770934ff695e512ca74d5fcbd5e4253b607b6e6f172951231a840718d4370e
PDF
Publication page08eb5754d5b635b11bddabda2bcf4fbb557432b117ad67f93ba5df8ce79215db
Manifesta60e3a6628a710a7515a0999e2809e063629f57e73ced3aeee6d7a1f06468fc8

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
SignatureXhSiQ30TRjLOinwSio5oxOW+6vTcuQVtwOzSYmJ6GqDeCINsXzykURpkhKWNB8ah/wgqOt24xiog+B4ndSjnCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:34.866051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011842
observed 08eb5754d5b635b11bddabda2bcf4fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.832179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011842/manifest.json
observed a60e3a6628a710a7515a0999e2809e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.814506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011842/publication.md
observed 5c770934ff695e512ca74d5fcbd5e425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.777519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011842/publication.txt
observed e189028260c3d035d36d501ac2bfda60...
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.