OpenTechnical

OT-2026-000006760

Publication integrity record

Porous face vacuum gripper, three zone face, per zone isolation, plant vacuum fed, open cell

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-2026-000006760) never changes.

Identity and time

Publication numberOT-2026-000006760 · never reused
Internal UUID01a0a966-7a67-74da-b95b-3e1b743b59dd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:40.650446Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006760
StatusPUBLIC

Content hashes

Canonical textaaadd47cc0c3d99dd7890ead82fe7cfb148932df686093a70707297d611d1595
Markdown0149602fa5b71a9dafbc9f798c329e5ad103791949d8045381d6816ab5e04953
PDF
Publication page7a4066b084de559947275ab3bb1f0ce24043552645878acc42127df7a9ab8ace
Manifestc37f4ca5cbbe633a39e8e39bca4f282f2426937d3145edf69a8da2cc1eaa59fe

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
Signature3LfKm7hpnexaNTSIwlhN+5NP/m5ovIE97fGMtX2zEO56qikxv6ZFDFkxg/N7/7kIfeLItEnqUIiL52k5rXe2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:09.412728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006760
observed 7a4066b084de559947275ab3bb1f0ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.398994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006760/manifest.json
observed c37f4ca5cbbe633a39e8e39bca4f282f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.384454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006760/publication.md
observed 0149602fa5b71a9dafbc9f798c329e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.245215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006760/publication.txt
observed aaadd47cc0c3d99dd7890ead82fe7cfb...
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.