OpenTechnical

OT-2026-000000309

Publication integrity record

Packaging system for producing pouches comprising a water-soluble foil and a powder

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-2026-000000309) never changes.

Identity and time

Publication numberOT-2026-000000309 · never reused
Internal UUID01a0a673-3761-7dc2-bbfe-8748d157bf5c · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:43.810036Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000309
StatusPUBLIC

Content hashes

Canonical text79ddce92e489183cefd0db0256a2601e57f5f5caf753760bbd9edd9931755691
Markdown25f7389623d7e902352da577b55b554bb95fb00593880a76e7b8c36ff9550d04
PDF
Publication page5349b8d41912656f1fb76e919956951c5e714503af3f1acdc5579ee547fea041
Manifest76814d0d6c3e91164385b684827ec6a31b6dcb85717633bbe68d53b5c850af14

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
SignaturevEFz9GO+lEJVKR4qRLuzDGQGXqQDj8gJjf42X2m123OZGGNx+fmJX/HjQMSPbLSby4t6dxGPc3FFXHpWCcBjDQ==
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

2026-09-15T20:50:25.336360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000309
observed 5349b8d41912656f1fb76e919956951c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:25.304566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000309/manifest.json
observed 76814d0d6c3e91164385b684827ec6a3...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:25.290317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000309/publication.txt
observed 79ddce92e489183cefd0db0256a2601e...
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