OpenTechnical

OT-2026-000003803

Publication integrity record

Bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000003803) never changes.

Identity and time

Publication numberOT-2026-000003803 · never reused
Internal UUID01a0a90b-1b1d-70fc-8541-b12b67679c5e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:52.483559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003803
StatusPUBLIC

Content hashes

Canonical textdb6190ec1873a407592faacbeb26b28f2fe93268bdc58ee355240e040aa201b6
Markdown8fca66fb397536be998e267f86bb5d3e903561211759ce6cdb0a011663007f54
PDF
Publication page528c37ec53fc850e5f3c87cd9df75f3b4001d3f44e1470f946e7f831d0bb89e7
Manifest5df5662d2aabf255327fc3ce38e82c60511ee83ea169f9c711dc6ca2d321886c

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
SignatureB4LYKM+PH2nABXS19YbdeZp5jaZ7zUZXKF9UwvKeIGp0RwOmUlyUekt4T0ZNiohG+N6ADF67hTbRiaINv6MaDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:19.422380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003803
observed 528c37ec53fc850e5f3c87cd9df75f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.408000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003803/manifest.json
observed 5df5662d2aabf255327fc3ce38e82c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.394080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003803/publication.md
observed 8fca66fb397536be998e267f86bb5d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.379944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003803/publication.txt
observed db6190ec1873a407592faacbeb26b28f...
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.