OpenTechnical

OT-2026-000000281

Publication integrity record

Telescopic column assembly in a robotic arm system

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-2026-000000281) never changes.

Identity and time

Publication numberOT-2026-000000281 · never reused
Internal UUID01a0a673-2fbb-7f07-bba6-289932712434 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:41.851892Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000281
StatusPUBLIC

Content hashes

Canonical text98879020a76e77ba55da1b0af09a1a56ed7fcb043dc03d3d14926211ad2d882a
Markdown1807474c059509202df1d16e3a240974e4e9bc82573b03154970c991c6bd6085
PDF
Publication pageda94a82300b84f6c29409feb5d8443e14b3e50562b6bdc067a7e301a3de97ab2
Manifest0c73eacff2aa4fa4c5b5674800e46e0cbc74302d8ec722e607911c55a44c0c17

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
SignatureXZrngMsb1sSmEV36cxzg3PLpQxVoAij4/TIDfsUVO2OR6ctf2NEbJitON+zk3+4JmzuedtlwjI/gMm92K3pxDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:50:28.550370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000281
observed da94a82300b84f6c29409feb5d8443e1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:28.332745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000281/manifest.json
observed 0c73eacff2aa4fa4c5b5674800e46e0c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:28.320170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000281/publication.txt
observed 98879020a76e77ba55da1b0af09a1a56...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent