OpenTechnical

OT-2026-000005583

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, pump fed, contact triggered on the face

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-2026-000005583) never changes.

Identity and time

Publication numberOT-2026-000005583 · never reused
Internal UUID01a0a93e-09f9-7217-a7b7-4e71380be34b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:30.431465Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005583
StatusPUBLIC

Content hashes

Canonical textd7613c06c5aa126187ac75d050685d089f11520c44656f9e7dadcb078736fc55
Markdown292129b221f0528dac0c678e0062f8b177c19927f244eb637803871cdb6dd4a0
PDF
Publication page8af0c013f2165087f0df628d75f8da55c260ddf57a95bce53a2bbdca0f45096d
Manifest681bbe54bc35cd6c821df80cbcf39530697f9e789ec53a7ffc96af5b5b1272ee

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
Signature1/WNXr151qxezJXmg90EPcUCQZ6X5ZGM0S76O8/bF4zMJsXiqM4HwVd0cwOhXbV92Y55BTiSosJAuOM2MW1WAg==
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

2026-09-16T08:10:24.139041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005583
observed 8af0c013f2165087f0df628d75f8da55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.124659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005583/manifest.json
observed 681bbe54bc35cd6c821df80cbcf39530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.988884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005583/publication.md
observed 292129b221f0528dac0c678e0062f8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.973087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005583/publication.txt
observed d7613c06c5aa126187ac75d050685d08...
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.