OpenTechnical

OT-2026-000048184

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000048184) never changes.

Identity and time

Publication numberOT-2026-000048184 · never reused
Internal UUID01a0ae80-4de2-7a0c-9db0-328106c7dfb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048184
StatusPUBLIC

Content hashes

Canonical textd835775ef977a2e4b459363da919e52668738c166fa44836561f0b9bc0bc56e0
Markdownc854f5e8c830ce2507f87779877cc2efda01e4224cc2ed26e35134b8054d1314
PDF
Publication page485bcc1f2fac3e85ab3cbcedb9c32f6212015eea84bbb540d1a55174f1f7aafe
Manifestfbe93c76c41cc11f8f03ce01ffb29144e71ea5d1d3faa9cc04941117d2cca1e4

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
Signaturev3bRef7G5pHf/UhPPvP5Zpu6yrXcRgxsKmS1e9CcTqhdRJiVwVd83rYLs+bAXn+jSIa/Benq9/dtwsSS+75hCQ==
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

2026-09-17T11:04:43.380453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048184
observed 485bcc1f2fac3e85ab3cbcedb9c32f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.362438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048184/manifest.json
observed fbe93c76c41cc11f8f03ce01ffb29144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.344317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048184/publication.md
observed c854f5e8c830ce2507f87779877cc2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.323743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048184/publication.txt
observed d835775ef977a2e4b459363da919e526...
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.