OpenTechnical

OT-2026-000016105

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000016105) never changes.

Identity and time

Publication numberOT-2026-000016105 · never reused
Internal UUID01a0ae6e-2d10-79a1-b7f9-dfb332318e06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016105
StatusPUBLIC

Content hashes

Canonical texta18fd00ac8f934696cc1505e5df8882105379eefdccfe154abeab020894e6e5e
Markdown324cfe465e676ccdeb1632d6c87a9cfcc585579ac85f8329337d21bc59d988d7
PDF
Publication pagef90b4e6ba628db41829f0a1e31a539d7d363f875f9f2c682c9b226b655d969fe
Manifest1ec55e3d7001126eed09daf5cb75651dc2d51a5a8f3590b16ab3585f388a05ef

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
SignatureegLyMSOI3GSSs4h6LWtmz7c82hReWOcXhql2JP2rKug0qbDBiscGSSDMsbapI8BHzO8EKBJ7u85PNex4n/H7Dw==
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

2026-09-17T12:03:31.916274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016105
observed f90b4e6ba628db41829f0a1e31a539d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.898196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016105/manifest.json
observed 1ec55e3d7001126eed09daf5cb75651d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.881334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016105/publication.md
observed 324cfe465e676ccdeb1632d6c87a9cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.864060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016105/publication.txt
observed a18fd00ac8f934696cc1505e5df88821...
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.