OpenTechnical

OT-2026-000044309

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000044309) never changes.

Identity and time

Publication numberOT-2026-000044309 · never reused
Internal UUID01a0ae7c-39d6-7fae-adf5-5e46aa629e6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044309
StatusPUBLIC

Content hashes

Canonical text14cdd11625f1d28402b93280782dfd1f838ae7e065a1ca646f0765dce94db625
Markdownaa9db39f4ca1df4efdb8b48465d8db8ce65ac1853cb308b77651f8ff31975749
PDF
Publication page016fc45bd119700201c6b8ddceeef299db705c3f46f56de4c843cc9351bbac4f
Manifest8eed9c6099b41b16c799509538b55189cb65e2e559978433463203e678ab2fc0

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
SignatureiUBi1L3IF+eMtYqau/Iz5aM/JIMTE/6tp361rNqObnMfLyph5uVR4Qvrw6GjbPm8DPOEfiDcNBj+57dLtojfDA==
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

2026-09-17T08:30:17.319387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044309
observed 016fc45bd119700201c6b8ddceeef299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:17.302478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044309/manifest.json
observed 8eed9c6099b41b16c799509538b55189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:17.284606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044309/publication.md
observed aa9db39f4ca1df4efdb8b48465d8db8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:17.267894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044309/publication.txt
observed 14cdd11625f1d28402b93280782dfd1f...
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.