OpenTechnical

OT-2026-000006601

Publication integrity record

Porous face vacuum gripper, per zone isolation, two outlet manifold, plant vacuum 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-2026-000006601) never changes.

Identity and time

Publication numberOT-2026-000006601 · never reused
Internal UUID01a0a960-f484-720c-83cb-446d460daac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:38.695100Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006601
StatusPUBLIC

Content hashes

Canonical textf81bd2074a7fa9b77b15b1303cde1fd6fc0fc32cf0fcf07065ecf61f338c61ea
Markdown16e51bcff6980bd209980da294296cca6f05eb18c5c70f9e976e27d9084f6842
PDF
Publication paged307a62509fee38270213f0105b496e67585facf2f98a9df0e65662656f411bc
Manifest0e388b70cf629e5a7b999e52f4c091422faaaf95b73c032afef3f176ae4008ef

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
SignatureGhaw3y8wsK5isgmipv9k7CRlIaAtBgQpJmWJisw6NecFKp+sXcrxEW+bSyDRUpn4XaiNKIzVqO2KxswPcWh5Aw==
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

2026-09-16T08:50:26.480665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006601
observed d307a62509fee38270213f0105b496e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.468072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006601/manifest.json
observed 0e388b70cf629e5a7b999e52f4c09142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.454135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006601/publication.md
observed 16e51bcff6980bd209980da294296cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.439930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006601/publication.txt
observed f81bd2074a7fa9b77b15b1303cde1fd6...
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.