OpenTechnical

OT-2026-000000004

Publication integrity record

Differential Roller Speed Banding for Parcel Singulation

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-2026-000000004) never changes.

Identity and time

Publication numberOT-2026-000000004 · never reused
Internal UUID01a0a671-b3f8-7693-b826-27e8bddde3d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:01:04.635534Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000004
StatusPUBLIC

Content hashes

Canonical texta9f2a02d687cced98a0f4e714e8f42b6e3212a10363b1bf09138d5eb83b4cd98
Markdown8cbcde0e6b73e9d22b3dfbf6dd78021fbeb55cbf19a023c77a5b72e76b4fb465
PDF
Publication page971a4824e3508d0347c1e0f543845efff8799b79ec7d419db8d2066cc1f1d0a9
Manifest102ac37798a50679528b14adc5085c5b6b8d11cba6dc5e9fd123b2323b787523

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
Signature4l0FaNiN9V2999tswWSjeU8+GIXTxNbeJ8G9XB2U6stfuemsQOGTzgGsxjplPv/EfIM8t8qiDKuUGDJ1H0SRBQ==
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

2026-09-16T00:41:39.049206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000004
observed 971a4824e3508d0347c1e0f543845eff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:38.687162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000004/manifest.json
observed 102ac37798a50679528b14adc5085c5b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:38.505483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000004/publication.md
observed 8cbcde0e6b73e9d22b3dfbf6dd78021f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:38.293197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000004/publication.txt
observed a9f2a02d687cced98a0f4e714e8f42b6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:00:22.182077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000004
observed 971a4824e3508d0347c1e0f543845eff...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T21:00:22.153034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000004/manifest.json
observed 102ac37798a50679528b14adc5085c5b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T21:00:22.137915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000004/publication.txt
observed a9f2a02d687cced98a0f4e714e8f42b6...
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