OpenTechnical

OT-2026-000003744

Publication integrity record

Vacuum cup gripper, three zone face, six outlet manifold, pump fed

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-2026-000003744) never changes.

Identity and time

Publication numberOT-2026-000003744 · never reused
Internal UUID01a0a90a-eddf-7647-b1c1-1c1cb10a5e19 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:40.908698Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003744
StatusPUBLIC

Content hashes

Canonical textc834dddf444b48e1b636c0dd6f05742754bbbde3739690ca27eb9fbc49cba2e3
Markdown7b071164826cdeb77fe6d43b97f0372cf29ceda4a8b9fe7fead2e6b748ddc1b2
PDF
Publication page701ccc0095c7a871985dd87915f21976b426b3326a2f32a18d258cd4f28f118e
Manifest65844d1f0b04b26db1bd2ddf5735360f215e4a9a42c18d985b2ac56eb043b393

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
Signatureua2B5TXQLLyuiA52idyaAGq5ZG5nnP6k4QRhG+tfxM9DZwPLVmiau4HUK1IGNeOC7Y0KSWKCZo53TiqLHeOuDA==
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

2026-09-16T07:10:23.226781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003744
observed 701ccc0095c7a871985dd87915f21976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.166777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003744/manifest.json
observed 65844d1f0b04b26db1bd2ddf5735360f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.151162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003744/publication.md
observed 7b071164826cdeb77fe6d43b97f0372c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.136343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003744/publication.txt
observed c834dddf444b48e1b636c0dd6f057427...
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.