OpenTechnical

OT-2026-000018938

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000018938) never changes.

Identity and time

Publication numberOT-2026-000018938 · never reused
Internal UUID01a0ae6e-d522-7d07-b046-b6b629884af7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018938
StatusPUBLIC

Content hashes

Canonical textbd41f3d446023d69ec60bc4120f7fe7fb7f575bcd1e96658ea77cfa7b61364d9
Markdown13fb8e2e2597e22a617e235e447d96645115cd704f4380ac36a8f14d42436c98
PDF
Publication pageab7c0e8d208711ce07264041e1b0c09838dac0bd2847904670d19e6708a0ecf8
Manifest7db7f7d4aacadd3f3388106c532cd29674c0e293785659e2b853ae8dec430cd0

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
Signaturew/DGV3HDYu1yxahxMLj1E5uJ5DYGcVpgK+UkFn3w1vWl2OKEF9J6VYKQBluzDEv8e4u7MkVlUouDFml2YWOYDw==
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

2026-09-17T11:59:35.840645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018938
observed ab7c0e8d208711ce07264041e1b0c098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.823484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018938/manifest.json
observed 7db7f7d4aacadd3f3388106c532cd296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.804432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018938/publication.md
observed 13fb8e2e2597e22a617e235e447d9664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.788109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018938/publication.txt
observed bd41f3d446023d69ec60bc4120f7fe7f...
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.