OpenTechnical

OT-2026-000002916

Publication integrity record

Parallel robot with three limbs and five degrees of freedom

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-2026-000002916) never changes.

Identity and time

Publication numberOT-2026-000002916 · never reused
Internal UUID01a0a67f-7a2b-7f9a-8f46-778fb1458c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:07.340075Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002916
StatusPUBLIC

Content hashes

Canonical text62a7ae5873c75ddec257ff56b1345d0d887b000c1f632c9b4a0507b8a2616925
Markdowna934a252fb0720ea832896b92cad57c103a95e0100a544d5fa55d312b572c8d5
PDF
Publication pagef541a54beff5947b6ed50f82bd69246cfbb5ff94bff17493359044148b85bd29
Manifestf38638e7fb1fdad5056c0f7234781e663fae32ccc045b462a56c048847101409

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
SignatureHcgkwN6yVGktEpUkF4Vwh6XPrgpvwjLbKpN9BsZIBBJfJT3QeZvbdCQzwpGLQdXV7IEKP/mD6vPfL2ocAbuqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-04T16:41:29.386655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002916
observed f541a54beff5947b6ed50f82bd69246c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T16:41:29.311583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002916/manifest.json
observed f38638e7fb1fdad5056c0f7234781e66...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T16:41:29.267662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002916/publication.md
observed a934a252fb0720ea832896b92cad57c1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T16:41:29.181387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002916/publication.txt
observed 62a7ae5873c75ddec257ff56b1345d0d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:20:19.696802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002916
observed f541a54beff5947b6ed50f82bd69246c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:19.669330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002916/manifest.json
observed f38638e7fb1fdad5056c0f7234781e66...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:19.657065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002916/publication.txt
observed 62a7ae5873c75ddec257ff56b1345d0d...
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