OpenTechnical

OT-2026-000066121

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000066121) never changes.

Identity and time

Publication numberOT-2026-000066121 · never reused
Internal UUID01a0ae8e-8dc3-7363-9b62-499e9fec6861 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066121
StatusPUBLIC

Content hashes

Canonical texta63896c451f61c95f0d9964e93a073c32f8959f6d1a4bb85aa614f896b642f4b
Markdown9d9abfee4e57b3d129b9247fcbeb1df6a66b41ab1ac0f05bf5412b8949e5f809
PDF
Publication page3528a7c2c0a9af7b3956d1007a61b3a1737225f3ceb238f1d7949282d7017b11
Manifestf96ec54afe61dd1cb27f9adfa9e58ad4d936a89763f824f9bb106e3d58eed68e

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
SignatureNfQOhCOVLMBnmKFvTuT2ZRyZ6QD/zfh1ZkeO+zj/t2HHPNkqsQ8n1+UzDRfKXWI7CTbkl8h/Y/ObXTbXDvVkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:50:51.845620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066121
observed 3528a7c2c0a9af7b3956d1007a61b3a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:51.826670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066121/manifest.json
observed f96ec54afe61dd1cb27f9adfa9e58ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:51.808937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066121/publication.md
observed 9d9abfee4e57b3d129b9247fcbeb1df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:51.790813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066121/publication.txt
observed a63896c451f61c95f0d9964e93a073c3...
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.