OpenTechnical

OT-2026-000011887

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-2026-000011887) never changes.

Identity and time

Publication numberOT-2026-000011887 · never reused
Internal UUID01a0ae6d-1942-754a-8787-279d964df30d · 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-2026-000011887
StatusPUBLIC

Content hashes

Canonical text1c9fa8b58ee8cd32db4a6ebc70503fca11f4304c91ed7708acc43d4469c9438a
Markdowna59bb2b988518986146cfffe2341ec7e5f7ad267b8ca2df32604571a669679f7
PDF
Publication paged922529eec8a4eda070f92b96179d56689242ebd6d9b7845e0f44e6e3758da6c
Manifest0d42490fa9b250a3fcc838140a355586e5218f2e5a73c5814de1260db6e1ee38

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
SignaturejYhOFJeE29bCRsFshHLpfMMGsTD/e5XD2NErEOq5ntEtimMhAoQmiDsLWVKJ1QVY6r8bjhOajw8zuDzWbi7TBQ==
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

2026-09-17T12:12:38.436719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011887
observed d922529eec8a4eda070f92b96179d566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.419047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011887/manifest.json
observed 0d42490fa9b250a3fcc838140a355586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.400732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011887/publication.md
observed a59bb2b988518986146cfffe2341ec7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.381104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011887/publication.txt
observed 1c9fa8b58ee8cd32db4a6ebc70503fca...
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.