OpenTechnical

OT-2026-000001337

Publication integrity record

Robotic hand sensitive to forces in an aquatic environment

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-2026-000001337) never changes.

Identity and time

Publication numberOT-2026-000001337 · never reused
Internal UUID01a0a675-68a0-710c-9e27-3baaadae34a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:07.489309Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001337
StatusPUBLIC

Content hashes

Canonical texte8e7956461413fdcc93169a83a0bd9315979f381985c6f5ac73949a3e3d370c9
Markdownf93f3f63529e13b40b0e4982a3d52706337f4cf1ecc3874c77588149de7c4781
PDF
Publication pagef25942d568a7ca992c4170949e665b23b19a0ba7471f3c3535f6fb9a2e220016
Manifest6a2321d66d405387d18a2e51998af1fb332f4155f31eeb76fefc53b664c13b37

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
SignatureI5Xb8V1dICfPWU5h0rXfO7UhK+rCBhgtj7nrOEcpXXBU+tz8bwsDyfLJa5YSHpb+yLPW2Ny4RSXcTVhw7TXqAQ==
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

2026-09-16T00:41:24.049050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001337
observed f25942d568a7ca992c4170949e665b23...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:23.715414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001337/manifest.json
observed 6a2321d66d405387d18a2e51998af1fb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:23.411005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001337/publication.md
observed f93f3f63529e13b40b0e4982a3d52706...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:23.074638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001337/publication.txt
observed e8e7956461413fdcc93169a83a0bd931...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:10:28.286787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001337
observed f25942d568a7ca992c4170949e665b23...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:28.255447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001337/manifest.json
observed 6a2321d66d405387d18a2e51998af1fb...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:28.242233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001337/publication.txt
observed e8e7956461413fdcc93169a83a0bd931...
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