OpenTechnical

OT-2026-000038133

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038133) never changes.

Identity and time

Publication numberOT-2026-000038133 · never reused
Internal UUID01a0ae77-f88b-710b-9df0-e600dca34bbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038133
StatusPUBLIC

Content hashes

Canonical textd97c656181c5261608d6e31a55305177129cf03552b6a3cdfa41aa9a72e58764
Markdowna49633a97f335b17c70c2d0772e713187875424806f3f53617fe571c01d086ee
PDF
Publication page593e7061897a66e0201a95447ab42d5cd4c3e6c81747200521698190c50d55f8
Manifestc7f390088a68063f2bbd1a03fc4d8afb6e4f41ffc0a1e6b83f6bc7a8ef530ea5

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
SignatureusiFDLuOuqqB6jtwMjJuZ/Jz4pIpX6oaHF4BFw6+YcVeQ6a2xgJ9Ur1m7eIkxaxQsT+N2FYTaUTQaj6/EhC+Dg==
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

2026-09-17T11:23:28.675286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038133
observed 593e7061897a66e0201a95447ab42d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.656650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038133/manifest.json
observed c7f390088a68063f2bbd1a03fc4d8afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.639626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038133/publication.md
observed a49633a97f335b17c70c2d0772e71318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.621836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038133/publication.txt
observed d97c656181c5261608d6e31a55305177...
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.