OpenTechnical

OT-2026-000071436

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000071436) never changes.

Identity and time

Publication numberOT-2026-000071436 · never reused
Internal UUID01a0ae91-e0ed-7953-8d5c-86915d4bf782 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071436
StatusPUBLIC

Content hashes

Canonical textf8da704f7c5861d3c133f646d53bd97cb2298a16f583e8d83c7878035876f9e3
Markdownc104b3f33d1f385a55a4bbd87a52488e6966c670d65d15f5715e851130ad1fb1
PDF
Publication page540496d93fcc616a830caac7f5a0755aef6cc62600adbe19c8ffa8965248f583
Manifestc6444e3c6c76a512c805fcc8057196b627241a2b5eeac8d42fc68cb8e7cf1f24

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
SignatureSdNxcjbEN0K4ooa/r11Lp0UtfiEA9/R9bkjXx8e+dSp0WWeCzfxBQoUbO9Iaba2FFYLWLb7If06tEho+8OHfCw==
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

2026-09-17T10:25:04.542900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071436
observed 540496d93fcc616a830caac7f5a0755a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.525751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071436/manifest.json
observed c6444e3c6c76a512c805fcc8057196b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.508967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071436/publication.md
observed c104b3f33d1f385a55a4bbd87a52488e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.491621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071436/publication.txt
observed f8da704f7c5861d3c133f646d53bd97c...
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.