OpenTechnical

OT-2026-000001635

Publication integrity record

Fingers for gripper assemblies

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-2026-000001635) never changes.

Identity and time

Publication numberOT-2026-000001635 · never reused
Internal UUID01a0a677-4e9d-7a37-84d0-d76d32c72621 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:11.901552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001635
StatusPUBLIC

Content hashes

Canonical text8fa9fc074751e44811bde2bac9cdc8cb6900b8dcb82b2aecb0d284a01953e770
Markdown64f6d6981aac123693834966ad7f8da3d47c678b3ea0833362bb6406d92bb33b
PDF
Publication page31d730d9e308e3b5ad5d1793c75e9c7dcec58832401cb78775d6a60325c559e1
Manifest8d5681b9cec253d4b6e97cf74d866fbb9e126daf715c0126a977341d4f02612c

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
Signatured9+ymJRLjAhMiw2d+tP9WvKoVbtsgg3EY4fDglGQnLAs8vE8CDzJNAfNcIZENqBIqN0PsVNGLhlPtauWK71wDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-16T08:44:36.664343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001635
observed 31d730d9e308e3b5ad5d1793c75e9c7d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:36.447985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001635/manifest.json
observed 8d5681b9cec253d4b6e97cf74d866fbb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:36.215948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001635/publication.md
observed 64f6d6981aac123693834966ad7f8da3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:35.730531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001635/publication.txt
observed 8fa9fc074751e44811bde2bac9cdc8cb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:00:20.680019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001635
observed 31d730d9e308e3b5ad5d1793c75e9c7d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:20.647397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001635/manifest.json
observed 8d5681b9cec253d4b6e97cf74d866fbb...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:20.635949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001635/publication.txt
observed 8fa9fc074751e44811bde2bac9cdc8cb...
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