OpenTechnical

OT-2026-000006390

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, pump fed, contact triggered, silicone cups

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-2026-000006390) never changes.

Identity and time

Publication numberOT-2026-000006390 · never reused
Internal UUID01a0a959-5186-75ad-883d-552f8122cde1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:18.216913Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006390
StatusPUBLIC

Content hashes

Canonical text220dfb81f2b6e270c11777b49f0efd82258fe083afd5a3f422a283750ad85a9f
Markdown7753be48ecff0b0e768e72f7414a865564b414bd0d251b3981e0a638b2203b10
PDF
Publication page6325bce049aad64fd2d67a6897ab7548914e66c647d06456e3125004f3c1149f
Manifest97896e25836db428179a2373963579789b503ebf6d5b9565ee9cea8279abdd7f

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
SignaturefmJl/cxNwphGBohifaEbXOcXnfxS5x9NkFAOj/5grgxfeVcCfEWOQMjPB1Pt9dNHUO85FsatXL01Snaga3YVBg==
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

2026-09-16T08:40:23.182579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006390
observed 6325bce049aad64fd2d67a6897ab7548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.167644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006390/manifest.json
observed 97896e25836db428179a237396357978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.151418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006390/publication.md
observed 7753be48ecff0b0e768e72f7414a8655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.139252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006390/publication.txt
observed 220dfb81f2b6e270c11777b49f0efd82...
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.