OpenTechnical

OT-2026-000075472

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000075472) never changes.

Identity and time

Publication numberOT-2026-000075472 · never reused
Internal UUID01a0ae93-f201-76b4-968d-08276b471299 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075472
StatusPUBLIC

Content hashes

Canonical textd3ba13809414c12a13602f7a4d14ea3257eec0054190282da3aa7006dd9957dd
Markdown15bb13ac3f2db6df465b3ce6d6de76cd87125ca04191b0394bafba61fe5679d0
PDF
Publication page941807b4cf350884c9c1dc3e2b20e56354542ab341890c8f66e2de9c72494521
Manifestc0c73e59a9d7922eac36f3582f59670605984086f261828354b9f42b3cbc25d2

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
SignatureYei0fKvmuwGdwCMHafe2znagw0putZabLWNDFESfLfUPodHsDJl0UsZkmMbtQhNM4QIkxy0Q/Tvz7cM7UAiPBQ==
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

2026-09-17T10:17:46.738369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075472
observed 941807b4cf350884c9c1dc3e2b20e563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.718746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075472/manifest.json
observed c0c73e59a9d7922eac36f3582f596706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.696789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075472/publication.md
observed 15bb13ac3f2db6df465b3ce6d6de76cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.554076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075472/publication.txt
observed d3ba13809414c12a13602f7a4d14ea32...
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.