OpenTechnical

OT-2026-000011757

Publication integrity record

Three finger electric gripper, 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-2026-000011757) never changes.

Identity and time

Publication numberOT-2026-000011757 · never reused
Internal UUID01a0ae6d-1940-71cf-9507-295de0db5157 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011757
StatusPUBLIC

Content hashes

Canonical text12e7f249b34ffaa719b3ff1a974d6d257614917c7b1c2a246b79cfdd1680e2ee
Markdown7db6a6a076ebbf0c024e40b1c7029f4d6f86e25543df6aa52858cf279f7dddc6
PDF
Publication page7e6d907d1387adf2fd230730e8a85f6998a4df51c998e12e1948bcb04ffa3bf9
Manifest5487d11d4468ed569acae3c8144af151fa43be5c46ca4787a51b9cbb0448e17c

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
SignaturezM1OLfS/jfARQ0vZMnJRcbsnJPy0XcvCmBFt8SSVP9ixpUh99L+OSW69LKxZ5pvtZNsRY9EVSGYwzsWM8xQbCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:28.013708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011757
observed 7e6d907d1387adf2fd230730e8a85f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.993495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011757/manifest.json
observed 5487d11d4468ed569acae3c8144af151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.972747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011757/publication.md
observed 7db6a6a076ebbf0c024e40b1c7029f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.952765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011757/publication.txt
observed 12e7f249b34ffaa719b3ff1a974d6d25...
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.