OpenTechnical

OT-2026-000006329

Publication integrity record

Porous face vacuum gripper, per zone isolation, four outlet manifold, three stage ejector, open cell

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-2026-000006329) never changes.

Identity and time

Publication numberOT-2026-000006329 · never reused
Internal UUID01a0a957-363d-7da2-9b98-31fec00d23c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:00.161309Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006329
StatusPUBLIC

Content hashes

Canonical text7c79b97ac31c41a66885bb57d6a5c91a3bc47c9e3bc2c42e08279f0ded335328
Markdown9982221eaac54d679eddbbc948ec19e276d55904db7389eafa6e1dbd3c0dcd56
PDF
Publication page50e47b381c5705f171212dcd89112cba92d9f57f0bb9315f19637df10678c28b
Manifest1e7d22b2136dcb8a0f096049295d4cce67ed8fd4123ec7c937dc5439f8a76cd4

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
Signature9bWruzy5e84evbZNdIGCDTkYZKftZ+c0nyDSSCNNxGLW6LHN3Vr+XU0txbtWbPotZob1NYkonugRt3vrAFK8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:30.730922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006329
observed 50e47b381c5705f171212dcd89112cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.647771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006329/manifest.json
observed 1e7d22b2136dcb8a0f096049295d4cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.633959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006329/publication.md
observed 9982221eaac54d679eddbbc948ec19e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.505401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006329/publication.txt
observed 7c79b97ac31c41a66885bb57d6a5c91a...
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.