OpenTechnical

OT-2026-000020177

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000020177) never changes.

Identity and time

Publication numberOT-2026-000020177 · never reused
Internal UUID01a0ae6f-4379-7834-9e22-6936147b99ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020177
StatusPUBLIC

Content hashes

Canonical textec2983bcb8c2bfb8edabd7242a304d14f322276ce5d7facc9b6b3205e57e2886
Markdownb5d582ef3448e71a2110ef96c88cbfb5b20fa4de08ed2d541570241c8df42cf2
PDF
Publication page68806a6431e3c60f46981c537c5ef7054318f842084272fc862ba8fa6daeb01d
Manifest42a3ee21fb724d8bd88db829ac4b7da62a30be33e2c7e3b3834f3807f1cefa29

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
SignatureoCj++aNOaEo18jXbEM1nTc9wDw+8RAhV1Ceuv0ADVunOynZ0PbBxNCQ5JZE+BOkW5WjyBDrT5ZNFIrzEi0tzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:29.845834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020177
observed 68806a6431e3c60f46981c537c5ef705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:29.826367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020177/manifest.json
observed 42a3ee21fb724d8bd88db829ac4b7da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:29.806291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020177/publication.md
observed b5d582ef3448e71a2110ef96c88cbfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:29.787107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020177/publication.txt
observed ec2983bcb8c2bfb8edabd7242a304d14...
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.