OpenTechnical

OT-2026-000005353

Publication integrity record

Porous face vacuum gripper, three zone face, ejector fed, pressure verified, 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-2026-000005353) never changes.

Identity and time

Publication numberOT-2026-000005353 · never reused
Internal UUID01a0a936-6025-7f7e-8ca4-2da473fa707d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:08.199790Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005353
StatusPUBLIC

Content hashes

Canonical text651263429da32c24cb6ac4138f99f3f824c464851421de60ac68186da4c15dc2
Markdown03dad91530ae3794b80870bfe0cf340f24fb733ef9a2cf87eebe82f7e49f02c4
PDF
Publication page1997e3cbbab2247a9ba652c7ad50cf1cf7400edba7375309dd91d3c9ec9bebdf
Manifest28400bafb0b5a2d678619d6243ac382671bfcf52d400cffe491ee6aeadc0308a

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
SignaturerM0bcrAGddSbBVg8dPgAa9JcvSKDKMoH9ceGQZA3B5U8ZUn4yV+NdzoceVnxBghbv7g/aEtps5ssQKgUHUzWBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:19.228041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005353
observed 1997e3cbbab2247a9ba652c7ad50cf1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.215050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005353/manifest.json
observed 28400bafb0b5a2d678619d6243ac3826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.202068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005353/publication.md
observed 03dad91530ae3794b80870bfe0cf340f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.188996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005353/publication.txt
observed 651263429da32c24cb6ac4138f99f3f8...
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.