OpenTechnical

OT-2026-000003139

Publication integrity record

Single and dual end effector, multiple link robot arm systems having triaxial drive motors

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-2026-000003139) never changes.

Identity and time

Publication numberOT-2026-000003139 · never reused
Internal UUID01a0a692-a9dc-7742-87f6-d1e3db1170e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:37:04.733185Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003139
StatusPUBLIC

Content hashes

Canonical text08d6717347d9c8771eb29460ac33f20ca5aef7b0a4b50cd6ad126a713d8d071d
Markdown31052643e4d23d848c66a16da46edbc95733b43d52ef66de35d4e207e57dd05a
PDF
Publication page1538aa07b62fdde5f27a805dcea699d1ea1e2cb0b2599c297c874eea49b18dba
Manifestb8e159537aedf208b1d32772e0d9832a0bf494c9da66a0f5f239fa4eacf0bb3c

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
Signature3G68c4fNsxcLGw0hd6euzwKbUYPUEL1aU2VFJtiR0Fs5Tml9EqissXgrCsI8nc2lv0bSZII3Y0Xm5/j4XnWsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-09-16T04:44:15.357783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003139
observed 1538aa07b62fdde5f27a805dcea699d1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:44:15.213865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003139/manifest.json
observed b8e159537aedf208b1d32772e0d9832a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:44:15.050164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003139/publication.md
observed 31052643e4d23d848c66a16da46edbc9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:44:14.842139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003139/publication.txt
observed 08d6717347d9c8771eb29460ac33f20c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:40:04.241433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003139
observed 1538aa07b62fdde5f27a805dcea699d1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:04.201798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003139/manifest.json
observed b8e159537aedf208b1d32772e0d9832a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:04.187317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003139/publication.txt
observed 08d6717347d9c8771eb29460ac33f20c...
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