OpenTechnical

OT-2026-000073700

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000073700) never changes.

Identity and time

Publication numberOT-2026-000073700 · never reused
Internal UUID01a0ae93-2b8d-7e1f-acac-11266de62a67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073700
StatusPUBLIC

Content hashes

Canonical text463525d88c09b86524acb477c6e3bf975cbd80c51f73a3a3422c4e6f16acbd0d
Markdownd28dafd6fe9c8904ea5921af21b908a0c1a1d63a94adc16179b42c7c021235ac
PDF
Publication page925ecf89665916fe16d5e2c59e046c96e9935a4389faa3ff4bf68c113c2437f8
Manifest6fc4a9c1af0fbcb43ff2a70ed29c71795d53a1d56db3460fa80f30fc070b04e0

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
SignaturehWGRx0Ig5k8rsQxv+lxRuHL64lFdpmInDiUqN/Tybzq18X7adBeXbzwBOOAJyGkaDDNvThF8JkMnFOAu0qxuCQ==
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

2026-09-17T10:19:45.967672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073700
observed 925ecf89665916fe16d5e2c59e046c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.950059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073700/manifest.json
observed 6fc4a9c1af0fbcb43ff2a70ed29c7179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.931926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073700/publication.md
observed d28dafd6fe9c8904ea5921af21b908a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.913015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073700/publication.txt
observed 463525d88c09b86524acb477c6e3bf97...
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.