OpenTechnical

OT-2026-000006495

Publication integrity record

Three finger mechanical gripper, two stage ejector, electric drive, on a tool changer

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-2026-000006495) never changes.

Identity and time

Publication numberOT-2026-000006495 · never reused
Internal UUID01a0a95d-3b3e-7f84-b58a-227947fe69cf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:34.656636Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006495
StatusPUBLIC

Content hashes

Canonical textda32b9b6e63e578d40adf616a18514eee7d103156f63c508e0cc5853c065f8bb
Markdownb2c885b6db893ae2cf85a364bbbd6f527978a4a6650562b99ac4cb28c6e02ea0
PDF
Publication page6d7e8311b45f02562a3fccc991f56ac0a980fae8c3a2f4fccb48413650a7057f
Manifestc6416f34f35b1db3b9ad97614a4d8ebf532d9bd025e72c4bfa44629f19d56755

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
Signature5bC8+WJBfQWWO/rc37hlOenyXyeXHZEzB19t5JSxVWVKCzH6vel9E+BviqjRyZcsTAwd3XGmscRU1diV1nc+Cw==
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

2026-09-16T08:40:11.149469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006495
observed 6d7e8311b45f02562a3fccc991f56ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.135553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006495/manifest.json
observed c6416f34f35b1db3b9ad97614a4d8ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:10.996016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006495/publication.md
observed b2c885b6db893ae2cf85a364bbbd6f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:10.980614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006495/publication.txt
observed da32b9b6e63e578d40adf616a18514ee...
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.