OpenTechnical

OT-2026-000000730

Publication integrity record

Ultrasonic horn, secondary battery, and method for manufacturing secondary battery

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-2026-000000730) never changes.

Identity and time

Publication numberOT-2026-000000730 · never reused
Internal UUID01a0a673-bffc-720f-acab-4e4a663b5ee2 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:18.780855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000730
StatusPUBLIC

Content hashes

Canonical texte87c214573f7f8df7b54a23e5618a58867ba829916ebbb3631990ec427ebda37
Markdown88810a13fa62c22488e0ca0ef06bbb1423e260be196c63cde85a3397653831e1
PDF
Publication page2f9f9df44b91ca7f5b3b601059d8c82c4f3e71e44141169ac8dfb4e7fd1f55c1
Manifestc36030b10ed4ccb1959c24826782994894374abf60c36d3222dbdd377bfa1921

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
SignaturemvALkeizTxiQly/4sSdb4We7zef/NwFCDumU5Hd6QG62R033OYtoCVGbP++Vk34uLt10+OL3nz9A/f8xt2zFCQ==
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

2026-09-17T00:42:33.523808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000730
observed 2f9f9df44b91ca7f5b3b601059d8c82c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:33.380245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000730/manifest.json
observed c36030b10ed4ccb1959c248267829948...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:33.254951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000730/publication.md
observed 88810a13fa62c22488e0ca0ef06bbb14...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:33.038975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000730/publication.txt
observed e87c214573f7f8df7b54a23e5618a588...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:16.581289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000730
observed 2f9f9df44b91ca7f5b3b601059d8c82c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:16.387352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000730/manifest.json
observed c36030b10ed4ccb1959c248267829948...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:16.165795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000730/publication.md
observed 88810a13fa62c22488e0ca0ef06bbb14...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:15.936400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000730/publication.txt
observed e87c214573f7f8df7b54a23e5618a588...
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