OpenTechnical

OT-2026-000040689

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-2026-000040689) never changes.

Identity and time

Publication numberOT-2026-000040689 · never reused
Internal UUID01a0ae79-6d0f-7d2e-acdb-c766d2691044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040689
StatusPUBLIC

Content hashes

Canonical text5d89df814dcc606ba4168dfb39d2a539adcf007fd63949b616ddc08151767468
Markdown14dd43661dbe255b4e72a1985acb7b1c91c0bbedc538ad60a32a78b4d3fadb8e
PDF
Publication paged48cb24c8d34253abd343e08c0ce9b8b6bd6b90f9f2fa72844519a089e9a3102
Manifest2996d0a4085b5556f635559ac7c55284f47fdba5d9c3bd73ecb6ee7023c15e37

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
SignatureOXOKrLvAz5F0MNIAmBu6MYEmKfNqy1o67F8bahB2Nw1xrneFwN5rLnQNIamemfX9uwR4oDF6tZKVtufLPsKKBA==
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

2026-09-17T11:17:53.147342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040689
observed d48cb24c8d34253abd343e08c0ce9b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.129786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040689/manifest.json
observed 2996d0a4085b5556f635559ac7c55284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.110695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040689/publication.md
observed 14dd43661dbe255b4e72a1985acb7b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.092099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040689/publication.txt
observed 5d89df814dcc606ba4168dfb39d2a539...
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.