OpenTechnical

OT-2026-000001608

Publication integrity record

System and method for picking and placing objects

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-2026-000001608) never changes.

Identity and time

Publication numberOT-2026-000001608 · never reused
Internal UUID01a0a677-19f4-74ae-a9f0-506f4efcef37 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:58.421104Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001608
StatusPUBLIC

Content hashes

Canonical text7a93e3e48fadbb4ca22d7cf8f05e40fdb64ca7bd632eda1a2f2350b267608057
Markdown31b0471ddaa0b023eaf30e1fbd84a6644a6fdd09401569abea96940ec5beb793
PDF
Publication page40a3a58343f001c516af825989d406bdcc1d0e235841343facdc8768036151ec
Manifest3ba9c31719d498c23baa7896498b23b6f74c3dbc9e3b4d79f983f40c8dd89581

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
SignatureceuYUsbgwrkxLlf/NNCYIuqV4cbwMa3Mhbf9H5XGFD+72R4/6+fLSDvQfHeWYlHMAPDG1uXO0t8vbUB73UfAAA==
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

2026-09-15T20:00:23.949920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001608
observed 40a3a58343f001c516af825989d406bd...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:23.918794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001608/manifest.json
observed 3ba9c31719d498c23baa7896498b23b6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:23.906583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001608/publication.txt
observed 7a93e3e48fadbb4ca22d7cf8f05e40fd...
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