OpenTechnical

OT-2026-000006641

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, pressure verified, polyurethane cups, oval form

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-2026-000006641) never changes.

Identity and time

Publication numberOT-2026-000006641 · never reused
Internal UUID01a0a962-6094-7b53-a37e-ae41a1272ff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:11.894612Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006641
StatusPUBLIC

Content hashes

Canonical text773abc132cb4b590503aff708a6670fc762f3ba00a3e8bd082ec183f1e15abcb
Markdownd07a734ba187beb3b606978adf360b10502aea268c90fd5f9500295474c5a3bb
PDF
Publication page09766eced09ee26b7e13d6b1cc17b0bef91d3443bea4eb20e51b869ddf930b62
Manifestb51d031a0c003773180b2915714b4e8af6fc00dcc0cf169b18b78f6c79fc7c94

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
Signaturep5sYuBytjNy/45OSVpxXURLmxh0mwDF6EWZSvv8w6G34oXQbNaSNsP+mbbfDTAY+D88QSU04q5E+BAlcpobsCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:22.201451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006641
observed 09766eced09ee26b7e13d6b1cc17b0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.188710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006641/manifest.json
observed b51d031a0c003773180b2915714b4e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.175339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006641/publication.md
observed d07a734ba187beb3b606978adf360b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.162913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006641/publication.txt
observed 773abc132cb4b590503aff708a6670fc...
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.