OpenTechnical

OT-2026-000017845

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000017845) never changes.

Identity and time

Publication numberOT-2026-000017845 · never reused
Internal UUID01a0ae6e-96fb-7fbb-a941-bd1d0ff768ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017845
StatusPUBLIC

Content hashes

Canonical text883812afa4c0e07d4f5509f5e754502aa797888b241a1d1bec05915d9adafd08
Markdown212df0fe65225bf4a2c28030cf4f42c03180870e20523ff2db3cd0a427e5d763
PDF
Publication page206fe1b62b3383e6953bdf11f39ad6b7939b5dc9dbcc46d1722c99afcc7f1f8e
Manifest89616e353f5722c2f7bc75f860b2c99429d367485d642b182be47a9c07e38be0

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
Signatured7VRbQ+iHiwdMcQC+Ybmfey6aF1RLTZu0p6KnP8zvjvRnqYPQEAD4PGo44uZH0j/HHCa/1Mo1mtvXzr1KGIvAA==
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

2026-09-17T12:01:49.451927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017845
observed 206fe1b62b3383e6953bdf11f39ad6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.434752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017845/manifest.json
observed 89616e353f5722c2f7bc75f860b2c994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.417854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017845/publication.md
observed 212df0fe65225bf4a2c28030cf4f42c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.402400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017845/publication.txt
observed 883812afa4c0e07d4f5509f5e754502a...
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.