OpenTechnical

OT-2026-000000881

Publication integrity record

On-demand glasswasher and a method of operating the same

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-2026-000000881) never changes.

Identity and time

Publication numberOT-2026-000000881 · never reused
Internal UUID01a0a673-f442-77ed-a0f1-abb9bbc73b2e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:32.162727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000881
StatusPUBLIC

Content hashes

Canonical text686fec633901064595b618a93bfe3fd414b1ff428431178aedb9b43c3b8a59b8
Markdown17b0b0ca82680e31dfe87de20544fe2994cde9db8e6051d9871b354e6ee4ba01
PDF
Publication page51cdec411a12b0db6be5e362de9932af921738317952098f9e9a2debb3e987f8
Manifest5fa50e6c29ef00fb52835c2bfad588432b6318389d2d661e3fe89bc392ad2606

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
Signaturektlt/a7IAxRAoXlIdfjR9kguspeMMcZpPZWOR1H7Y+0lO+kg03J0fesy1MrUjzGeWvyjYNQluCXgSLUXNhl7Bw==
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

2026-09-18T12:41:47.467792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000881
observed 51cdec411a12b0db6be5e362de9932af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:47.192766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000881/manifest.json
observed 5fa50e6c29ef00fb52835c2bfad58843...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:46.879090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000881/publication.md
observed 17b0b0ca82680e31dfe87de20544fe29...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:46.547586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000881/publication.txt
observed 686fec633901064595b618a93bfe3fd4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:35.683048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000881
observed 51cdec411a12b0db6be5e362de9932af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:34.914667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000881/manifest.json
observed 5fa50e6c29ef00fb52835c2bfad58843...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:34.458496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000881/publication.md
observed 17b0b0ca82680e31dfe87de20544fe29...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:33.969963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000881/publication.txt
observed 686fec633901064595b618a93bfe3fd4...
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