OpenTechnical

OT-2026-000002178

Publication integrity record

Inspection robot having forward and rearward sensor mount groups and processing and/or calibration values

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-2026-000002178) never changes.

Identity and time

Publication numberOT-2026-000002178 · never reused
Internal UUID01a0a67b-0c8d-73ce-96a6-32179868e7f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:17.133702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002178
StatusPUBLIC

Content hashes

Canonical text0c12fcc13a9f05192046ff782e28873daa12f365c87b66615669b4a71f27cacc
Markdowne7587762e7bff9a99757357a82da0b0dfa24d5cd83040b17c62282eb0d75256d
PDF
Publication page9fe0bf3fc08e8928f9f1900ab4e5b457e2d1db6ce53e6bc2a937bf3a58ab3296
Manifest70392020c7124ea38c999bdac7e51facd69e7d49ec18e49fb6a849a7ee3f9f49

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
SignaturegXlWE63JgPQPfHVsWEGVtEsBt6ksq5NKE4Oiirs11Fg1/f0ohhpiTlmwiE8a5EChYMq+DT19u+BYNMQj2OOzBA==
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

2026-10-18T04:41:51.386707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002178
observed 9fe0bf3fc08e8928f9f1900ab4e5b457...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T04:41:51.335388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002178/manifest.json
observed 70392020c7124ea38c999bdac7e51fac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T04:41:51.264995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002178/publication.md
observed e7587762e7bff9a99757357a82da0b0d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T04:41:51.071759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002178/publication.txt
observed 0c12fcc13a9f05192046ff782e28873d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:42:14.415067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002178
observed 9fe0bf3fc08e8928f9f1900ab4e5b457...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:42:14.264192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002178/manifest.json
observed 70392020c7124ea38c999bdac7e51fac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:42:14.132418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002178/publication.md
observed e7587762e7bff9a99757357a82da0b0d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:42:13.881462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002178/publication.txt
observed 0c12fcc13a9f05192046ff782e28873d...
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