OpenTechnical

OT-2026-000048120

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000048120) never changes.

Identity and time

Publication numberOT-2026-000048120 · never reused
Internal UUID01a0ae7f-c424-7556-8db1-0dfab3a4bc95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048120
StatusPUBLIC

Content hashes

Canonical text036d755b3c84bd9a24a85597ecbee71501ba28ec6b8af5772f3b646a2128b84f
Markdownf74f137c6db045d9653d62453dcb83859fdcfb4272b053774643c88d488ff78c
PDF
Publication page12978097ad0f6bc07f4081dba0363fbddbc522c0c9ee87784cb65b5234280239
Manifestf2d9dd403e9bb1a6e6da5bc91b8d2739d417a29f1b4abfeba6ac00e1ae50879d

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
Signature9NtxkPHk4X4MZv5TC8lU/Yf0m/nRZ+fwA/cR7/N8vNK0gaMZmCNDQyT7vHvv9SclV6jXSxJ4xjfiZyLVbC7sBg==
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

2026-09-17T11:06:09.178431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048120
observed 12978097ad0f6bc07f4081dba0363fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.158145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048120/manifest.json
observed f2d9dd403e9bb1a6e6da5bc91b8d2739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.140683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048120/publication.md
observed f74f137c6db045d9653d62453dcb8385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.122883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048120/publication.txt
observed 036d755b3c84bd9a24a85597ecbee715...
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.