OpenTechnical

OT-2026-000003833

Publication integrity record

Porous face vacuum gripper, two zone face, four outlet manifold, two stage ejector

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-2026-000003833) never changes.

Identity and time

Publication numberOT-2026-000003833 · never reused
Internal UUID01a0a90b-3209-7d6d-8702-1aebcb8809a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:58.347961Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003833
StatusPUBLIC

Content hashes

Canonical text6abce6e3ada76329f67b910328267d43dfe6f5bc5b68e34f7219114e7eb6449e
Markdown76f0c7be49640929dcb03071463496b411943935b9552d03be0a17266e601277
PDF
Publication pagee1b3561a1bfc728afdc7767842971bfc37677f0814ca1794d2eb3052df5e9355
Manifestdd798bd3512000e5a30b354b2db9b49352729a800456ea30e4a0662035c4a789

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
SignatureeoK+svW1hcnSdhXrHULxGqhgLYUp0y3ZGiIzzkerv+XFVwu7RTudP3cVQ1yXfHTe0+AfTXQKe/PGMvtnSNvrBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:17.617195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003833
observed e1b3561a1bfc728afdc7767842971bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.600910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003833/manifest.json
observed dd798bd3512000e5a30b354b2db9b493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.587693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003833/publication.md
observed 76f0c7be49640929dcb03071463496b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.572416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003833/publication.txt
observed 6abce6e3ada76329f67b910328267d43...
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.