OpenTechnical

OT-2026-000001452

Publication integrity record

Compliant coverings for a robotic hand

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-2026-000001452) never changes.

Identity and time

Publication numberOT-2026-000001452 · never reused
Internal UUID01a0a676-247f-73a6-a64f-39e3ef3317d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:55.584102Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001452
StatusPUBLIC

Content hashes

Canonical textf8c72ac497d342c7e928d971563ff7a4808ba88c80f429d1ba9385ae4ab45a01
Markdown57a67fdf4da23e7e3e72a75f08a84daa7d05909acdf37cf06469ffbe330be90e
PDF
Publication pageebe9c3e3d7d8de99bbbd756fd7e66c358167ba267927bf93021161125204b4d4
Manifest8cd19bd8b732b776977317601b0b5863120f31b2dcd55f7a87da16a4bbee2a4d

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
SignatureyfByOaskcHmLVXIoZQSnVGcB00ye58VNzZk8fMZRi5YXea7NHOTM5PISMx0cM/ySEOdDS0JRzCc6FOVtdiXjAg==
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

2026-10-21T12:42:01.459057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001452
observed ebe9c3e3d7d8de99bbbd756fd7e66c35...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T12:42:01.414493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001452/manifest.json
observed 8cd19bd8b732b776977317601b0b5863...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T12:42:01.367867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001452/publication.md
observed 57a67fdf4da23e7e3e72a75f08a84daa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T12:42:01.283780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001452/publication.txt
observed f8c72ac497d342c7e928d971563ff7a4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:52.281920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001452
observed ebe9c3e3d7d8de99bbbd756fd7e66c35...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:51.969970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001452/manifest.json
observed 8cd19bd8b732b776977317601b0b5863...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:51.824297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001452/publication.md
observed 57a67fdf4da23e7e3e72a75f08a84daa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:51.642036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001452/publication.txt
observed f8c72ac497d342c7e928d971563ff7a4...
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