OpenTechnical

OT-2026-000011832

Publication integrity record

Four 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-2026-000011832) never changes.

Identity and time

Publication numberOT-2026-000011832 · never reused
Internal UUID01a0ae6d-1941-78ca-b220-1f6c079614a3 · 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-2026-000011832
StatusPUBLIC

Content hashes

Canonical texte434d2d5a09691a808bf7cdfc6b166a42f545a8a7a547e4a085546449c75b9d9
Markdown7322665f4d0d2c58d7b48ffd94a6578bed6e6df265c2b55f1193a8bb8b5fe4af
PDF
Publication page1e9f80ef5e1c0bd073a444fd7de80a5d84a1412a2478f707a2332ec6bd33cfa7
Manifest29dadc1bd87836432ed12788872dc8329c329f728289574af299e3708f485adf

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
Signature4AeJVYUnpjIt9VR7KAbf6zQPxd2SrSpRVbGt1ZkBrybJ4h1tz8D443yH76zOaZr4oxBw/M3UA/sfSriN7bSpDg==
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

2026-09-17T12:12:34.050964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011832
observed 1e9f80ef5e1c0bd073a444fd7de80a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.031313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011832/manifest.json
observed 29dadc1bd87836432ed12788872dc832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.012837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011832/publication.md
observed 7322665f4d0d2c58d7b48ffd94a6578b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.993592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011832/publication.txt
observed e434d2d5a09691a808bf7cdfc6b166a4...
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.