OpenTechnical

OT-2026-000017904

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000017904) never changes.

Identity and time

Publication numberOT-2026-000017904 · never reused
Internal UUID01a0ae6e-96fb-7bfc-bc07-540e90402289 · 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-2026-000017904
StatusPUBLIC

Content hashes

Canonical text137cd0599c752aa55db5b85496784ef13648298cd50b40530794c223c607e5d8
Markdown9ba5b6ba5a85c9614f5087219453e1b2ee4916a5de8e3b44f62d935959a3f6f5
PDF
Publication pagefa6ca7f72cb5e200a5974021a64733f5124a975ca1db95fd178d238e7dd193f5
Manifest2ba4bdf9a8e582542840db853e95b971c8ea75d72524cec74edda1041b69c6c2

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
SignaturejSPfgsv1zNiE1GK6kPUO5SOviNkjCrB0tXyYifA5dPkJ/n+6zWw+GrGRkhCtyD9hCIlA1bqLqFwogG7dz2C/Cw==
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

2026-09-17T12:01:53.691772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017904
observed fa6ca7f72cb5e200a5974021a64733f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.676759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017904/manifest.json
observed 2ba4bdf9a8e582542840db853e95b971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.659796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017904/publication.md
observed 9ba5b6ba5a85c9614f5087219453e1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.642559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017904/publication.txt
observed 137cd0599c752aa55db5b85496784ef1...
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.