OpenTechnical

OT-2026-000031565

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000031565) never changes.

Identity and time

Publication numberOT-2026-000031565 · never reused
Internal UUID01a0ae74-87af-7067-879d-7ed176d46023 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031565
StatusPUBLIC

Content hashes

Canonical text1d311ad3265384119ecbd1d7babb733c12b71a48dccedc8834c561e8f9049588
Markdown810a172db0ced6b71b44a08a3cbc37bbee79a8ca37adec76e6ae9355b7f5cb75
PDF
Publication pagef87db2f564c297773d349b03b46ad43386b438781e40c24cc4bdf6c14121c5f3
Manifest187e2c27efd5eb7268186211c21acadf8c5000b0b5464097bfeab9022aa35cf5

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
SignaturegMrztFLnQ/5fy5VAytI8om5mEm13liQ2dCU+lV77gYDAsBZHamSGbwzd1onPIaU/63vFzMGke5ug5S1E1J24BQ==
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

2026-09-17T11:36:24.824383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031565
observed f87db2f564c297773d349b03b46ad433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.806465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031565/manifest.json
observed 187e2c27efd5eb7268186211c21acadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.787365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031565/publication.md
observed 810a172db0ced6b71b44a08a3cbc37bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.769326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031565/publication.txt
observed 1d311ad3265384119ecbd1d7babb733c...
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.