OpenTechnical

OT-2026-000004758

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, ejector fed, contact triggered

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-2026-000004758) never changes.

Identity and time

Publication numberOT-2026-000004758 · never reused
Internal UUID01a0a922-6c78-7885-8ef2-ce96e77afb5b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:33:20.635178Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004758
StatusPUBLIC

Content hashes

Canonical textb49d90ffdc396a9a5d573d84e1a1a4c920162d784a5578e14774023c788e3edc
Markdownc5381158b961ae5cdff5b518b3beb7b198cb8d8732b9883ff7bf61ea1f07d02e
PDF
Publication page2a2463a78720e12a52739bff79c33c1c8853f5ef63f1b6afea7f9d819435d6d1
Manifestc9558c05233eb7ff11e7175309288cc14e41c715c08c39fdc5ff73e95f43560e

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
Signature9Cg3jWIOI3sKSoI3/Fp4FAB3oxcy8sS6nWrwOrEhPVknzmqv62o8Fx1VUQab2sLaNPvjOlEJI7Uj7CVAQAlYDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:22.158323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004758
observed 2a2463a78720e12a52739bff79c33c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:22.145761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004758/manifest.json
observed c9558c05233eb7ff11e7175309288cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:22.130689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004758/publication.md
observed c5381158b961ae5cdff5b518b3beb7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:21.993979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004758/publication.txt
observed b49d90ffdc396a9a5d573d84e1a1a4c9...
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.