OpenTechnical

OT-2026-000003647

Publication integrity record

Bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure verified

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-2026-000003647) never changes.

Identity and time

Publication numberOT-2026-000003647 · never reused
Internal UUID01a0a90a-a1e1-7c77-946e-167f6ad38209 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:21.443857Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003647
StatusPUBLIC

Content hashes

Canonical text05692b1f587d66ce0b3a7ee87239513fd7f1f888adc8f500ad441a7347e85b55
Markdown8ac1c3d2741b0c74d45ae2f8a8072a97e72f1ae035830da300927331c53eb3f0
PDF
Publication pageb324b0f357b13f2599019593dbcfffd3feba7f5b8232cba161fb7b4d6bd940d6
Manifest8ef67575bcb47d77a3bc4c30a7aaa009112725d59893d446fe46edad51798298

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
Signatureb7Xcci45H3zNhCq+J7CXcz3zfyP6CpPwq/a47x0LHUGPfqcnC1eVPePgIxQlOULfGYsyvYF7ejAV+3Fh1uvNBw==
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

2026-09-16T08:20:38.415492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003647
observed b324b0f357b13f2599019593dbcfffd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:38.383418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003647/manifest.json
observed 8ef67575bcb47d77a3bc4c30a7aaa009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:38.242194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003647/publication.md
observed 8ac1c3d2741b0c74d45ae2f8a8072a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:38.226459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003647/publication.txt
observed 05692b1f587d66ce0b3a7ee87239513f...
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.