OpenTechnical

OT-2026-000034329

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000034329) never changes.

Identity and time

Publication numberOT-2026-000034329 · never reused
Internal UUID01a0ae75-df0e-7b18-a197-90e89ea9d396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034329
StatusPUBLIC

Content hashes

Canonical text0864f372211b74d7cf0c4ae0a99d7365de71e8460ffb810475d864227ac48238
Markdownfe216791b00c33eb7ad8040a7f59618431eeee78c6f6af761528937da6981a07
PDF
Publication page4f1f19ba5dbd072e5c1e29ca377c3385f60bf7899a92e71af5d3e4ca3e1ad4ec
Manifestff81d09a0a213bcb68af37fced6596064d513ac50e76ec35e1d25ba8f3bf9c6c

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
SignatureJEDfJ5ZvL+K+RoeX/CPHS71GeuhTXtyr5O82wWCVgwHN8DM3aasa3mtIYbALE2k+ngAyPCGnP3w5j21/KtLBDw==
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

2026-09-17T11:31:01.491694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034329
observed 4f1f19ba5dbd072e5c1e29ca377c3385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.475223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034329/manifest.json
observed ff81d09a0a213bcb68af37fced659606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.459187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034329/publication.md
observed fe216791b00c33eb7ad8040a7f596184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.441958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034329/publication.txt
observed 0864f372211b74d7cf0c4ae0a99d7365...
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.