OpenTechnical

OT-2026-000006564

Publication integrity record

Porous face vacuum gripper, four zone face, plant vacuum fed, vented after 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-2026-000006564) never changes.

Identity and time

Publication numberOT-2026-000006564 · never reused
Internal UUID01a0a95f-a391-7d1d-9b35-2427d5847908 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:12.438414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006564
StatusPUBLIC

Content hashes

Canonical text8bbf73de4048cd4e1dd5126911e415324eb600923010e38a88ed6efe892006e4
Markdown39e7ac2add84ff6c96f074ac3a2ad050d4356e1e2537f3f453ae74338946a089
PDF
Publication page13b611cbed4fa59a86f41937cf9f23a7945ffed8802ed4b106797e1afaa0511f
Manifest3b685a6475c16c0838888bebdba217dc3c7a2c614210e31ed90f26cc20728ebd

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
SignaturereBot2ZKOwwKZZXGXBXn/2alQ4gmFbns02cAwH5g8q8489Yi65+flOTX8yMqak2WuiOEreiOZrZ8u0JdeaicDw==
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

2026-09-16T08:50:30.426076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006564
observed 13b611cbed4fa59a86f41937cf9f23a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.411754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006564/manifest.json
observed 3b685a6475c16c0838888bebdba217dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.398789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006564/publication.md
observed 39e7ac2add84ff6c96f074ac3a2ad050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.386157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006564/publication.txt
observed 8bbf73de4048cd4e1dd5126911e41532...
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.