OpenTechnical

OT-2026-000050605

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented before set-down

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-2026-000050605) never changes.

Identity and time

Publication numberOT-2026-000050605 · never reused
Internal UUID01a0ae82-5c4a-736e-bf83-dddc8d7d2eaf · 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-2026-000050605
StatusPUBLIC

Content hashes

Canonical text7fde421573f2edd9dc02703467062bd3d0ec0a61ae75348a5ed393083dab0e5b
Markdowna5d4b70fc7133ae18865f4df2ba7970ed59276fae069847b7ca901c2c5bc1845
PDF
Publication page30b5b521d13b1f777496aa90e2bad9383971561f27e2d6061004431ec44befec
Manifest397def3aa8afeb3df16258650dd31595935b6b2ae402a5819b0034c8d4ab5821

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
SignaturecnXiuRwwnXs6eTR32Hf5lYXcM6a0t2X+1l/qc5RhFWQCm3siFJXjOfXAwYL+cJegRee0P8nTVtRSPUhkXASQCw==
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

2026-09-17T11:01:42.778111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050605
observed 30b5b521d13b1f777496aa90e2bad938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.759043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050605/manifest.json
observed 397def3aa8afeb3df16258650dd31595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.740886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050605/publication.md
observed a5d4b70fc7133ae18865f4df2ba7970e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.722635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050605/publication.txt
observed 7fde421573f2edd9dc02703467062bd3...
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.