OpenTechnical

OT-2026-000047428

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000047428) never changes.

Identity and time

Publication numberOT-2026-000047428 · never reused
Internal UUID01a0ae7f-3e58-75ca-a7f5-abfdfd5440f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047428
StatusPUBLIC

Content hashes

Canonical text315268cdb691d4aeb44da2f12839956e42468648ef3b20004a9c5eaade70b356
Markdown499af02b383d230efa32f81bb16c5faa9a26f1ee34284b1aa0cb41ee867760c1
PDF
Publication pageab9391b6ace9dfdd7ee92f3a81f18fac4efd8b8ded11dbbff352f9bbcca9b7fc
Manifest9ea988a55dea0679f3eb1e382d3a5045ac62f15ee3b85a4003c476e361197335

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
SignaturecYOYHSEe5wdd7voBb+5VjN+pEglB41gsSVDYM5vmQkWCcDkQ9chxvVMYF0FQbKJxWLAaw81OvPcWe/8I3lMoBA==
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

2026-09-17T11:06:27.031707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047428
observed ab9391b6ace9dfdd7ee92f3a81f18fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.011682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047428/manifest.json
observed 9ea988a55dea0679f3eb1e382d3a5045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.995051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047428/publication.md
observed 499af02b383d230efa32f81bb16c5faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.978987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047428/publication.txt
observed 315268cdb691d4aeb44da2f12839956e...
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.