OpenTechnical

OT-2026-000097047

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097047) never changes.

Identity and time

Publication numberOT-2026-000097047 · never reused
Internal UUID01a0aea1-01c9-7328-a42f-7317f21673a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097047
StatusPUBLIC

Content hashes

Canonical texta1bb3625c7e086c971e9de44790bd52adb1b976f2c4eadddbd26efc82b280e3f
Markdown91facecece7580a6f21d0fba5a6bc1154bebf0d20b905a5b3c484566d3aba22c
PDF
Publication page3a3ec4c1ac4ab73bb18b1545b9d07c107cfb5922d7c95c761ac1164440633d40
Manifest0c87a4b787ad2acefb35a7e0a1c16268b8494a16f6cbbc2e2b4724f965378f1d

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
SignaturegcX10fhpYl3ecCASxwOEnWPbD7JCFR6mZ9eSQBf2njz3wo1rMWmdc79KlVdDjvp1VszQoEDX6G35DzkrDkE/Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:35.192991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097047
observed 3a3ec4c1ac4ab73bb18b1545b9d07c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:35.175273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097047/manifest.json
observed 0c87a4b787ad2acefb35a7e0a1c16268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:35.155774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097047/publication.md
observed 91facecece7580a6f21d0fba5a6bc115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:35.138424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097047/publication.txt
observed a1bb3625c7e086c971e9de44790bd52a...
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.