OpenTechnical

OT-2026-000050281

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000050281) never changes.

Identity and time

Publication numberOT-2026-000050281 · never reused
Internal UUID01a0ae82-5c46-7bd9-bbb3-14060972103e · 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-2026-000050281
StatusPUBLIC

Content hashes

Canonical text48eeda11143fbf4052ee4ee9270fd893a5effa740f05b2aebf6082a88d340915
Markdown4d7785bedfb16cb7378cb8336ee5c19d708a05109ea9df59c3e5e76fc9127154
PDF
Publication page67f11a70778e649e27e06993954b31e9528d95c7e38350cbcfdbc813e3f8ee89
Manifest3ec2abe9d8a64c1666ae4dfa6cb357a028393184af8d4f5f56e3201eba902ce5

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
SignatureuEezDPc7tsNwlGAQ3dexi++pAhj1/jlS3wkv8ImSOLFHAQ7SVxMABqQfq4FGtGrebpKbmtNBuwKCLD8CZITYDQ==
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

2026-09-17T11:01:17.117303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050281
observed 67f11a70778e649e27e06993954b31e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.101865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050281/manifest.json
observed 3ec2abe9d8a64c1666ae4dfa6cb357a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.085405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050281/publication.md
observed 4d7785bedfb16cb7378cb8336ee5c19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.070130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050281/publication.txt
observed 48eeda11143fbf4052ee4ee9270fd893...
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.