OpenTechnical

OT-2026-000011802

Publication integrity record

Three 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-2026-000011802) never changes.

Identity and time

Publication numberOT-2026-000011802 · never reused
Internal UUID01a0ae6d-1941-71e6-839e-d2d755c983c0 · 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-2026-000011802
StatusPUBLIC

Content hashes

Canonical textfc955c38a076a2a444686977fad41977ee33a73688045ea2250ea8a36b5d61c1
Markdown211601892b3842af1384e6c623ce090ce9be61c49e8a36e8289738936c7c4e69
PDF
Publication page5e87eda03359348d795f4e91a3f5491ae6ea798c96380830ebaf154ac5d7caf3
Manifestafa224c0318cc331d27fe4c7f20a7cea05a67abacfc2382dd3580baf584cac09

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
SignatureunMy1G6aGfq6yII+lkM2bTEuuJApwDVKLpD3SkaoM029iVamCysgPNC12hTGKSmePmZHPqR9N0lt26tBZbc/CA==
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

2026-09-17T12:12:31.693148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011802
observed 5e87eda03359348d795f4e91a3f5491a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.672676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011802/manifest.json
observed afa224c0318cc331d27fe4c7f20a7cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.654343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011802/publication.md
observed 211601892b3842af1384e6c623ce090c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.633969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011802/publication.txt
observed fc955c38a076a2a444686977fad41977...
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.