OpenTechnical

OT-2026-000074770

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

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-2026-000074770) never changes.

Identity and time

Publication numberOT-2026-000074770 · never reused
Internal UUID01a0ae93-ac2c-77ea-9c2c-ad2bd61ff5ed · 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-2026-000074770
StatusPUBLIC

Content hashes

Canonical text06f7f785021f9651d2d51e1c7ea2bcc311f3a0f666c0d96bbc26c352fedd0640
Markdown1260699c02d2c12a7c0b4b57484fc692c61a3c38a2251cf56b91bdb1c439ee56
PDF
Publication page4190263e709c131a85ecde4f9d142102650ddf1cb393e8c5a9b70fb993829a02
Manifest6dbe65d1104b705a6aa5dda752ddbadcc883808921706614253ba6220eb0396a

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
SignatureH2puxdd55v8zrXBSfTPjfIMYCPAUIj2xqSaWTIbTcf97VmOwmPqBqUI+ah5G3bZYIlUCYWJOKoTSnqTfArQaCw==
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

2026-09-17T10:18:27.859789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074770
observed 4190263e709c131a85ecde4f9d142102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.840140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074770/manifest.json
observed 6dbe65d1104b705a6aa5dda752ddbadc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.822585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074770/publication.md
observed 1260699c02d2c12a7c0b4b57484fc692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.804714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074770/publication.txt
observed 06f7f785021f9651d2d51e1c7ea2bcc3...
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.