OpenTechnical

OT-2026-000074780

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000074780) never changes.

Identity and time

Publication numberOT-2026-000074780 · never reused
Internal UUID01a0ae93-ac2c-7cd4-ba9e-772f36be359a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074780
StatusPUBLIC

Content hashes

Canonical text06031d26ade0c4f6b27cee6f7dccb891ea523a5610a3f93b5aab484ad58c28b5
Markdown70ef090c741ba67f7196dfeb486b3a0acaf67214a3abdf44296c6f87390869ad
PDF
Publication pageddd568b4ee620c59db377d6939dc5a37d269ebef4e679216bcd30006a9540b6e
Manifestd1367dac06f132be85b629c6f85c2012a684ef6f0a1eb2c8d0d1daf5db842d7a

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
SignaturexNiiPfDDJ0rqGbPZ6WEPPH3CThRGs6ITxvS+gGDI2mDQWzJjhQ4w67Fy6lq1dgsXeeFvZxDvC3oNq5CGclCEAg==
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

2026-09-17T10:18:28.659441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074780
observed ddd568b4ee620c59db377d6939dc5a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.642850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074780/manifest.json
observed d1367dac06f132be85b629c6f85c2012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.622671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074780/publication.md
observed 70ef090c741ba67f7196dfeb486b3a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.606056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074780/publication.txt
observed 06031d26ade0c4f6b27cee6f7dccb891...
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.