OpenTechnical

OT-2026-000003558

Publication integrity record

Bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000003558) never changes.

Identity and time

Publication numberOT-2026-000003558 · never reused
Internal UUID01a0a90a-6048-72cd-8883-38fa971d6ec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:04.651353Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003558
StatusPUBLIC

Content hashes

Canonical text9979a74333ea702715009cc3602ce73db1980f832faecc89acc044f518e8b2db
Markdownfb6bf85aafe1372c8cdf11f5d6e82823728a721fed9a2f0d15cc99eeffd9b61e
PDF
Publication pagefa14553763dabfae2cd4ba82202b89bbeb6ed03aef884db7ccb98357e0d8110b
Manifeste6cfc313bddae26360d714d14baaf637146c1940f9fe4df22a315fbb2b290403

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
SignatureijaxqcBqB1NfB8B6rntuF0rF5iWxbspRjSW5jsLpPXe6eRDGTJNjPImZlje9aR/e9r6ImU02bJWuNAT2ZC1AAQ==
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

2026-09-16T08:50:31.421460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003558
observed fa14553763dabfae2cd4ba82202b89bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:31.405451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003558/manifest.json
observed e6cfc313bddae26360d714d14baaf637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:31.389164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003558/publication.md
observed fb6bf85aafe1372c8cdf11f5d6e82823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:31.137898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003558/publication.txt
observed 9979a74333ea702715009cc3602ce73d...
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.