OpenTechnical

OT-2026-000041821

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000041821) never changes.

Identity and time

Publication numberOT-2026-000041821 · never reused
Internal UUID01a0ae79-e8a4-7dfc-8b75-6015b6b437f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041821
StatusPUBLIC

Content hashes

Canonical textf1f23473143b5559cd767b62a59e48c0bb1a3eb44aa7316a48b5f676be292a51
Markdown4aca3ac12fef9823709d4056f0ae3b294516a79daa8eb079f353aeccbdfe687e
PDF
Publication pageea5e25628ee75f1769f2cd8deb9253eb9a8f6d14cd8424b793a9e2e67e177c3c
Manifest0dac214937202a529f271e3e1086f9b095bf47eefb8c3b04b60a9b06ed786de5

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
Signature8TPjge5xCvOWZTuPmurbLgEe+nd3C56BYpxqWYZXJOJrOf3isE+tvvOoOxlHoDbfaYWL+HrZY/hJCNO6sqYhAQ==
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

2026-09-17T11:16:41.015571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041821
observed ea5e25628ee75f1769f2cd8deb9253eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.998755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041821/manifest.json
observed 0dac214937202a529f271e3e1086f9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.980113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041821/publication.md
observed 4aca3ac12fef9823709d4056f0ae3b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.961668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041821/publication.txt
observed f1f23473143b5559cd767b62a59e48c0...
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.