OpenTechnical

OT-2026-000031328

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000031328) never changes.

Identity and time

Publication numberOT-2026-000031328 · never reused
Internal UUID01a0ae74-87ac-7f60-b052-70e6faa23613 · 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-2026-000031328
StatusPUBLIC

Content hashes

Canonical textb20077895b7d3372fd9590c7680295b7bb4faae482427316ad604af3ca764923
Markdown727f13f772c8310ced3f9c0e75fefc8a74e06900de1aee629d310e9be44fdb7b
PDF
Publication page5dcecb1e22767ce664f50e8f52f1f1a73506dace5c27f7b4df20c6511c695c7c
Manifestbf65ee62390e32ea4fdbd5013be398a177ad58e91e5ad53183745187c72c6de4

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
SignatureKhqBV8chXtskKNW9JqJT7YE4yXkHzTb7BWNgWk2Rav5lNN2ttE7aP64ja3TzEysuQYQjORya4jZhcwBdHjZRDw==
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

2026-09-17T11:36:01.214953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031328
observed 5dcecb1e22767ce664f50e8f52f1f1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.193126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031328/manifest.json
observed bf65ee62390e32ea4fdbd5013be398a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.175466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031328/publication.md
observed 727f13f772c8310ced3f9c0e75fefc8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.157639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031328/publication.txt
observed b20077895b7d3372fd9590c7680295b7...
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.