OpenTechnical

OT-2026-000049565

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000049565) never changes.

Identity and time

Publication numberOT-2026-000049565 · never reused
Internal UUID01a0ae81-8f7d-742e-a941-984f0be3653c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049565
StatusPUBLIC

Content hashes

Canonical text5deb418bbfa2b59e414f9dfcb30346077be6cbfcc2c21a7ab2fce7442e44d7b3
Markdownc173e159d056a9b7f895957f824ab4000dca2733bf46bc125bfdcdf2fabfe46f
PDF
Publication page0a32fc7bf091e9097478f6ef5fbc566829157eb29ca2acdfd3ac02f3830d4b0b
Manifestc2c828024f582e41108e63f4ed594349542989e20b722c43f1192dbf13a95c6f

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
Signaturei7nwd1xD4qL0h5b+bdlqzLgxSnhi5XckOAPvr662hy0Mk4R+Bqi7Ke3jvXE0a3pdrx5P8NAI1C7egvH8OaLyAQ==
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

2026-09-17T11:02:26.334379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049565
observed 0a32fc7bf091e9097478f6ef5fbc5668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:26.316112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049565/manifest.json
observed c2c828024f582e41108e63f4ed594349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:26.296367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049565/publication.md
observed c173e159d056a9b7f895957f824ab400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:26.280061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049565/publication.txt
observed 5deb418bbfa2b59e414f9dfcb3034607...
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.