OpenTechnical

OT-2026-000000175

Publication integrity record

Systems and methods for in-line monitoring of properties of a web during a manufacturing process

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-2026-000000175) never changes.

Identity and time

Publication numberOT-2026-000000175 · never reused
Internal UUID01a0a673-12ee-7dcb-8055-61ac26f91924 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:34.479564Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000175
StatusPUBLIC

Content hashes

Canonical text0829bce3ab1d9147f767bc98dad8263eb13f3251e39a749475f9374681552edb
Markdown76ecfd11b197193a233bc4d4c417e35539775dcdd24c4d41dfd66bbcd15c97d2
PDF
Publication pagea14b78e2d000dead2315c600088c92fa4603a4480fde650f452b87b9448fa436
Manifest43fbe08ec5c869cd61718adf8fffe8fcfb3ae92996a9689c9d22ae2fa1319803

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
Signatured1dhL27Ht6cDYOwpwAiN1XYIEMVsopRKR77JiB7gv+W13S1Y6xIfIMcFULUNHz1t43bJT4MN8JyzZrjz6Z+xAg==
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

2026-09-16T08:43:04.881993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000175
observed a14b78e2d000dead2315c600088c92fa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:04.217084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000175/manifest.json
observed 43fbe08ec5c869cd61718adf8fffe8fc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:03.646171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000175/publication.md
observed 76ecfd11b197193a233bc4d4c417e355...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:43:02.905290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000175/publication.txt
observed 0829bce3ab1d9147f767bc98dad8263e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:33.464125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000175
observed a14b78e2d000dead2315c600088c92fa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:33.087925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000175/manifest.json
observed 43fbe08ec5c869cd61718adf8fffe8fc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:32.768992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000175/publication.md
observed 76ecfd11b197193a233bc4d4c417e355...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:32.522746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000175/publication.txt
observed 0829bce3ab1d9147f767bc98dad8263e...
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