OpenTechnical

OT-2026-000051151

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051151) never changes.

Identity and time

Publication numberOT-2026-000051151 · never reused
Internal UUID01a0ae83-273f-7531-8149-e11a55efbb54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051151
StatusPUBLIC

Content hashes

Canonical text281a79b0aa4aa40947390e6af06eaefa330081b29693bff3b913326bcb0908b9
Markdowned2041b469a93ce3e35aed1b6a513c0ec8771fb91fa101d8839f7088b622b83c
PDF
Publication page7a3c8712dce944b700e8923dbdeda97d1159b5382b98ad2bac9889d5a7dd43a0
Manifeste6438082ed5d79dfc65aa63a62cbd8a797b7f898811d4a530d7d5d940d13b24c

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
Signature1679LlNb/yykJfN7Iln8bN9YnRCaMLciBRZPMoY/n2dkEB4LugvBYxFDLa2rJrbAo7ZeNpFvE5Z6+LvRDeoeBQ==
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

2026-09-17T10:58:54.725521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051151
observed 7a3c8712dce944b700e8923dbdeda97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.708095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051151/manifest.json
observed e6438082ed5d79dfc65aa63a62cbd8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.689342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051151/publication.md
observed ed2041b469a93ce3e35aed1b6a513c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.669802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051151/publication.txt
observed 281a79b0aa4aa40947390e6af06eaefa...
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.