OpenTechnical

OT-2026-000011932

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-2026-000011932) never changes.

Identity and time

Publication numberOT-2026-000011932 · never reused
Internal UUID01a0ae6d-1942-7d75-9f9b-951b7bd9a98f · 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-2026-000011932
StatusPUBLIC

Content hashes

Canonical text287b4fbdf587470b4715b9166de485899d2f8e4986acfc00029d40673394d66a
Markdown08d3535b2912b10d89b8710cc2b49ccc7b96cd2437b02b584e9eaae60b89928d
PDF
Publication page16f379c10dd1bc6f61d8d58f734627a89c12c2fae57b47a48b4e8a1556b7c28d
Manifest4b9627621dafa44366427683d9aedb240662a87695176859305b19283eab77c7

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
SignatureTatUKqTyQosdA5xcCBjjJ6CFUQR/tCykN5lB3Jdlo9SHlRmTTLtY4QcXrXyNObuU/1M4gu4f8DkdHK444R7/BQ==
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

2026-09-17T12:12:42.142286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011932
observed 16f379c10dd1bc6f61d8d58f734627a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.124207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011932/manifest.json
observed 4b9627621dafa44366427683d9aedb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.104815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011932/publication.md
observed 08d3535b2912b10d89b8710cc2b49ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.085228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011932/publication.txt
observed 287b4fbdf587470b4715b9166de48589...
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.