OpenTechnical

OT-2026-000048018

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000048018) never changes.

Identity and time

Publication numberOT-2026-000048018 · never reused
Internal UUID01a0ae7f-c423-7548-a74b-66a69148c82e · 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-2026-000048018
StatusPUBLIC

Content hashes

Canonical textdfd71bd02fa0a0f33aa3af460c5ae89050b01dabf9f33e1cba1712bb345951d8
Markdownf97d1d9d64c424ce7a2b25d0ef7f5059696a4ef021f6c1fa0a51c053d1712c75
PDF
Publication page401c5514a92b1c29eebd9ad1a59cdb677536a694653f19d47b7bfc4ff50bd278
Manifest436a811a3f25f9f7e4cf20308d469e7908aa668fc6b8d46518dfeebad21aa62e

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
SignatureLKVlwaZOZwboEwN5VOAenrv23lTopefj4MnFgunSys4ts621OgDry8ADJU4IkBouSg8fzjtl4o/Mv0bqgx7TAA==
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

2026-09-17T11:06:00.766309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048018
observed 401c5514a92b1c29eebd9ad1a59cdb67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.747330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048018/manifest.json
observed 436a811a3f25f9f7e4cf20308d469e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.729398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048018/publication.md
observed f97d1d9d64c424ce7a2b25d0ef7f5059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.710748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048018/publication.txt
observed dfd71bd02fa0a0f33aa3af460c5ae890...
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.