OpenTechnical

OT-2026-000011922

Publication integrity record

Three finger pneumatic 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-2026-000011922) never changes.

Identity and time

Publication numberOT-2026-000011922 · never reused
Internal UUID01a0ae6d-1942-716f-8811-9bf201b7b889 · 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-2026-000011922
StatusPUBLIC

Content hashes

Canonical text10f6e1dfacba0754b189bef1c1a230d26f25e0dab186375219483d4edf617d5b
Markdown1c8c9c090f81b559b8927e4775abe99ff16b9be0dad954a1816d96dad1ff82a2
PDF
Publication page27073109aa98b70d5e171dca1e2ac3203c10f9abc836c8355f949c2c9a92192e
Manifestf80f7d86996d25a65a9eacf3ef231b763967ed225899e64a8329da6a90358d3a

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
SignatureqkaWGJcIMqnIG9YD0Ev0TG7URWAD0/nn/evaZFb9fmwufdAZuvQMlsUZjjsaFft1e4cFIiFlVz6gaO6NTVO/Aw==
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

2026-09-17T12:12:41.340949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011922
observed 27073109aa98b70d5e171dca1e2ac320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.322524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011922/manifest.json
observed f80f7d86996d25a65a9eacf3ef231b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.302219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011922/publication.md
observed 1c8c9c090f81b559b8927e4775abe99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.282782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011922/publication.txt
observed 10f6e1dfacba0754b189bef1c1a230d2...
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.