OpenTechnical

OT-2026-000004984

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, ejector fed, vented before 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-2026-000004984) never changes.

Identity and time

Publication numberOT-2026-000004984 · never reused
Internal UUID01a0a92a-0917-7251-8570-f6ddb5060cbe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:41:39.481903Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004984
StatusPUBLIC

Content hashes

Canonical text6707cfa82381edf7669fa2dc4bc26619208e63474eff2e6a3bd5f8030be02f2a
Markdown516aa4a621f853a141d407b1270695f91779ef5099cdb85a33365b46506d8f45
PDF
Publication page2e4b549c0c6d78ba00430527cee23817cd88e378319212dd01670deeff63bff1
Manifest2e2811bdccc5fbde0ed8e6ac50662d77d3a42566db072b0dbfd90466e47e4d83

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
SignaturejbVvxXZnReso0HV3//QMs/IlDYFe9HEqNUecDI0Y9YF+KuKufcWLXurS6eLwhercqdghCjVucUUqEf1YYzesBQ==
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

2026-09-16T07:50:28.148389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004984
observed 2e4b549c0c6d78ba00430527cee23817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:28.135972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004984/manifest.json
observed 2e2811bdccc5fbde0ed8e6ac50662d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:28.122293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004984/publication.md
observed 516aa4a621f853a141d407b1270695f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:27.984450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004984/publication.txt
observed 6707cfa82381edf7669fa2dc4bc26619...
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.