OpenTechnical

OT-2026-000001143

Publication integrity record

Scattered-material cleaning robot used for conveyor

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-2026-000001143) never changes.

Identity and time

Publication numberOT-2026-000001143 · never reused
Internal UUID01a0a674-50b2-793c-af4c-53d454d06d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:55.826980Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001143
StatusPUBLIC

Content hashes

Canonical textad5acb355493f80c9d76f81f86fdaaeaa7d1e743ae2068993b7e622798624237
Markdown965038d48d18c198c36a0c0479e11108e3f6e624cf7db1482067b6f39c9bd987
PDF
Publication page51e2dd5323b10ac8cebd844f4aa5d527f60b14fa6758324b27ca31a75de38830
Manifest1cfab620b3f16dc4fda35eb5ea22f4965431efbbeebd0eb1cd40c127b66c4534

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
SignatureoCMMUNKMvKunwr9V40zKQN2AuoIhlyDIwFCKHr+5AiOhfG4z/Fn4B19vbPQVzcrUx596A27NVnPr42V2T0rnBQ==
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

2026-09-25T16:41:07.820496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001143
observed 51e2dd5323b10ac8cebd844f4aa5d527...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T16:41:07.743510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001143/manifest.json
observed 1cfab620b3f16dc4fda35eb5ea22f496...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T16:41:07.663518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001143/publication.md
observed 965038d48d18c198c36a0c0479e11108...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T16:41:07.536731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001143/publication.txt
observed ad5acb355493f80c9d76f81f86fdaaea...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:20:19.377740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001143
observed 51e2dd5323b10ac8cebd844f4aa5d527...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:19.349151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001143/manifest.json
observed 1cfab620b3f16dc4fda35eb5ea22f496...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:19.336575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001143/publication.txt
observed ad5acb355493f80c9d76f81f86fdaaea...
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