OpenTechnical

OT-2026-000001990

Publication integrity record

Integrated mobile manipulator robot with accessory interfaces

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-2026-000001990) never changes.

Identity and time

Publication numberOT-2026-000001990 · never reused
Internal UUID01a0a679-e1f2-7fce-a366-266efbb2f1e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:00.690509Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001990
StatusPUBLIC

Content hashes

Canonical text829d0158aa767f29fa6d65a3c3e6ba090ff80936cb6b5ae147432e6af269c2af
Markdown3522e432f090c632a3bf3e0099e6016bdc35ef46613ffc56dda432e2ef5fafdb
PDF
Publication page0d62ae7fd23c2a3f499ce4f8000ceb695a9c078aa34df22e845eef8ad66e4b4d
Manifest813949aa5fbf17b0b87c065832aad155a1f59cea0ee76158005ab75f86fbd126

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
SignatureQm5kTR4UYTfUC3wF7/y7AS2P79u6e12jbsqJKQxQLQlqaPSeVgp6i2+5SpSZdbI1UCPCU61ze0wxKqPTKT3uDA==
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

2026-10-27T04:41:51.165305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001990
observed 0d62ae7fd23c2a3f499ce4f8000ceb69...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:51.095152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001990/manifest.json
observed 813949aa5fbf17b0b87c065832aad155...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:51.016907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001990/publication.md
observed 3522e432f090c632a3bf3e0099e6016b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:50.765378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001990/publication.txt
observed 829d0158aa767f29fa6d65a3c3e6ba09...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:31.827792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001990
observed 0d62ae7fd23c2a3f499ce4f8000ceb69...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:31.740276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001990/manifest.json
observed 813949aa5fbf17b0b87c065832aad155...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:31.657226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001990/publication.md
observed 3522e432f090c632a3bf3e0099e6016b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:31.461258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001990/publication.txt
observed 829d0158aa767f29fa6d65a3c3e6ba09...
fetched by grabo-systems from 34.44.131.203, 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