OpenTechnical

OT-2026-000103539

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off after set-down, 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-2026-000103539) never changes.

Identity and time

Publication numberOT-2026-000103539 · never reused
Internal UUID01a0aea4-e461-78a7-85de-4c2ecd2c6afe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103539
StatusPUBLIC

Content hashes

Canonical text5a7eb20a1f748e25887856a30e887073e2172edbb5c69b9815320d27ec091193
Markdownb96e959a7a97ccfc0d9f19c221ce49e53f971286da8da8d3343323ccfeb71ba1
PDF
Publication pagecdb079648d986c3351fcb44cbbe55ef6af3703f3b10b1eedd2696c6187da9252
Manifest04703b925d334e0ac47b2dc6a20071729a6e964d981d9f996ba6bba48d9a340b

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
SignatureVo3KZ34aQgP11jQog+drlw/N+V984OzTy0GeNB9iUMppdOEC7Hiy0hrXZagfS+5JnQT1BYKLmzxP6wL8YJiJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:18.896991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103539
observed cdb079648d986c3351fcb44cbbe55ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.879679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103539/manifest.json
observed 04703b925d334e0ac47b2dc6a2007172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.863471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103539/publication.md
observed b96e959a7a97ccfc0d9f19c221ce49e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.845767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103539/publication.txt
observed 5a7eb20a1f748e25887856a30e887073...
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.