OpenTechnical

OT-2026-000050557

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, vented before 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-2026-000050557) never changes.

Identity and time

Publication numberOT-2026-000050557 · never reused
Internal UUID01a0ae82-5c49-70e5-ac32-9571e6b11f7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050557
StatusPUBLIC

Content hashes

Canonical texteb8ba1641f3980171ab30fe1fdf069e4b5d13191bf595def276636e338858402
Markdownb9aeb68be5df783677b28e1ce817664b32a7296601083b586b94ca30214411fe
PDF
Publication page7b5c649dc60ce2b987fc4edc45fbb0e26394f3b75999f9f2089bfc7f48da7ca1
Manifestf603c9f46176c7ff616ff727c8aaae9e0b5e41c7110cb1b74e2baa9a8e6ed819

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
Signature+Eo39v4FTan4d5hFC0Xipo1X2wNECA7UUtR3m36Oqhks1tdFYIUsOZj8bDiEneQ8f6HAhQ6Tqp6PwqfGnwGTAA==
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

2026-09-17T11:01:39.355931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050557
observed 7b5c649dc60ce2b987fc4edc45fbb0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.340590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050557/manifest.json
observed f603c9f46176c7ff616ff727c8aaae9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.325988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050557/publication.md
observed b9aeb68be5df783677b28e1ce817664b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.310904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050557/publication.txt
observed eb8ba1641f3980171ab30fe1fdf069e4...
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.