OpenTechnical

OT-2026-000001555

Publication integrity record

Robotic device workspace mapping

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-2026-000001555) never changes.

Identity and time

Publication numberOT-2026-000001555 · never reused
Internal UUID01a0a676-ccc9-7443-a5a4-085185a3ad91 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:38.666463Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001555
StatusPUBLIC

Content hashes

Canonical text9008d904249a8f9394f26f6e7c0784d4f09b90889310bb584ab98e6f6daa05b1
Markdown3493de296713626ca6ea5cd78cf933dc4df455bca516841318fd1c69d4debff1
PDF
Publication page90bbcf2200cf0d7ed202771d2f73cc4b8996c76b955cde0db73c3591e3071840
Manifest22974197f397adf6d5638aaafbf753216e9ed78fc7ee024704590dca73f1db2c

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
Signature2KXEG+REfcbL2BjvcEa6QHzJklqQ8W9SWMd93aJyhmYBw/mS0QeZPEcBTTOlEOgBFAEPdqmEJtv6G2reJbaYBA==
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

2026-09-15T20:00:30.632773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001555
observed 90bbcf2200cf0d7ed202771d2f73cc4b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:30.472257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001555/manifest.json
observed 22974197f397adf6d5638aaafbf75321...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:30.455589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001555/publication.txt
observed 9008d904249a8f9394f26f6e7c0784d4...
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