OpenTechnical

OT-2026-000011882

Publication integrity record

Three 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-2026-000011882) never changes.

Identity and time

Publication numberOT-2026-000011882 · never reused
Internal UUID01a0ae6d-1942-77af-ae71-b45ddfeac28b · 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-2026-000011882
StatusPUBLIC

Content hashes

Canonical textbf972aed699e1f0ce7178b490516712241f3ec9d2e53c06de6df57036b7f46d9
Markdown36038e7a6f89d2a1223686d1a8a4d682830eef5e8c66c207e5435f687a689573
PDF
Publication pageb79539d2091193aff68d3acb70ba108ce5a1a6b8725f3fc7000a50e97f9d665e
Manifestb121e8f9b723640c02943b018fa400816c0a7963a1a653d8fc49085f56a58d7b

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
Signature4vof7j2yJQFekwEyIUjQeXgng/QJEfWQuYc1GeZrD6A4S3RoA7gaUn560iIIG12uZiZAuscvDFJgQ6v0/oRHAA==
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

2026-09-17T12:12:38.050127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011882
observed b79539d2091193aff68d3acb70ba108c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.030555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011882/manifest.json
observed b121e8f9b723640c02943b018fa40081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.011372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011882/publication.md
observed 36038e7a6f89d2a1223686d1a8a4d682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.993682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011882/publication.txt
observed bf972aed699e1f0ce7178b4905167122...
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.