OpenTechnical

OT-2026-000004262

Publication integrity record

Bellows cup vacuum 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-2026-000004262) never changes.

Identity and time

Publication numberOT-2026-000004262 · never reused
Internal UUID01a0a912-cb40-7d46-b5d8-e587384472b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:16:16.322826Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004262
StatusPUBLIC

Content hashes

Canonical textd3ae92f2b3d68044f6755886412129690c136b54567db7348cfcb3cb6af2e8cc
Markdown4df62f34bf28165061a9b562155ddb70c0418e435c472bd7b8730af4cf9dcc85
PDF
Publication page555628948cbf61aedae6b0af0ee6a8f3104c3cd47e12e1d8967f6668a64bab28
Manifest12cd3e7fb07546250c1f3571d0059e92a7c95248c621fae99f753ecff130ed96

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
SignatureYqJg4tC1+vZBS0XRO6JTKgR19DjTVvKam1FsXj6GvfMrBbZUravaOJW5IEt7f32R8pMfBHEgFI5VaKtqOV+rCQ==
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

2026-09-16T07:20:17.882957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004262
observed 555628948cbf61aedae6b0af0ee6a8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:17.870654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004262/manifest.json
observed 12cd3e7fb07546250c1f3571d0059e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:17.731442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004262/publication.md
observed 4df62f34bf28165061a9b562155ddb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:17.717076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004262/publication.txt
observed d3ae92f2b3d68044f675588641212969...
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.