OpenTechnical

OT-2026-000004070

Publication integrity record

Vacuum cup gripper, three zone face, three outlet manifold, three stage ejector

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-2026-000004070) never changes.

Identity and time

Publication numberOT-2026-000004070 · never reused
Internal UUID01a0a90e-379a-780d-aafc-1ad706b7bd08 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:16.381585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004070
StatusPUBLIC

Content hashes

Canonical text42b67dcc3c249681f478fa3665a13badf094225fbb7b82ecaf7d5932e40a0567
Markdown50e85048df390c48d84e029d94ca520d0b90817807ff66bfc7c60b2b6bab9195
PDF
Publication page269126846e4f3d8c092652a3ae02a4658b7ac28ebdab147d31e3868e236e80e7
Manifest1f796e99a87ad9bd8841c859be46a5c724ca88fc9e42486978785b2ef3df7ea2

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
Signature/zMyP8KXQPFy4uZWadQmSydS9QMTKuTIKQdSLxinNZglmef9dTswOUuw6Nal/t6X3/PCejUibFypX0D6Q10pBw==
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

2026-09-16T07:30:35.712333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004070
observed 269126846e4f3d8c092652a3ae02a465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.697875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004070/manifest.json
observed 1f796e99a87ad9bd8841c859be46a5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.684299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004070/publication.md
observed 50e85048df390c48d84e029d94ca520d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.670551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004070/publication.txt
observed 42b67dcc3c249681f478fa3665a13bad...
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.