OpenTechnical

OT-2026-000006471

Publication integrity record

Three finger mechanical gripper, three stage ejector, contact triggered, stripped from the face, electric drive

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-2026-000006471) never changes.

Identity and time

Publication numberOT-2026-000006471 · never reused
Internal UUID01a0a95c-6a83-7dc9-af5c-4084daaca311 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:41.222351Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006471
StatusPUBLIC

Content hashes

Canonical textdcb2bedb2df27ddedfa713ae0939df299f43a78c0abc031436af26508fed325d
Markdownd74eea00027ce7cb950f48ca81f5866f3459ff812b5f5f2102c160b9561e3787
PDF
Publication page304ab6b2337d706109641ed733dfac3f964bd8f4a636b1c5921d8205e9e5fc83
Manifestb4cca41357cd010d64ee26fde54eb1a184de84fbed4b0f1446fc3fdefdcd5bec

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
Signaturer4CVqFzFkoFB5VbiEXUPAjWm/BPgaXCnjTtjE4bX9/M0UvNH6uGNcBICJy6vphUtpYEpbrBkgToanylyrFbFCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:13.874234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006471
observed 304ab6b2337d706109641ed733dfac3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.732472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006471/manifest.json
observed b4cca41357cd010d64ee26fde54eb1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.718602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006471/publication.md
observed d74eea00027ce7cb950f48ca81f5866f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.704063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006471/publication.txt
observed dcb2bedb2df27ddedfa713ae0939df29...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.