OpenTechnical

OT-2026-000006418

Publication integrity record

Porous face vacuum gripper, four outlet manifold, two stage ejector, contact triggered

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-2026-000006418) never changes.

Identity and time

Publication numberOT-2026-000006418 · never reused
Internal UUID01a0a95a-8afb-7e50-bf49-6dc80116bc29 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:34:38.462507Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006418
StatusPUBLIC

Content hashes

Canonical textb2380c56f2972dfdef79c109c920df68f533d806d49ac0d3b40f8a2804ba0087
Markdown9d2cd648241ce1eb8d9ca724ef32e98b849610deebc8853f4c0536721e8d4e38
PDF
Publication page5e36fee6a250562950c87d45a279cb043cd04b76c3fb777217d1d63f51416dcc
Manifest9a6177dca23c2fe778101966dbba9465a7d63ba803d5c9c2d5768ab884094139

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
SignaturejL5AvgWFFtynGj9SPSq+SUoy7W8Mc8Gx0yVM541XIwjPS7uGOplbNx5QuHpy5PAqdHIVtJOwSAz6Z5Wdcr0bBg==
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

2026-09-16T08:40:19.919372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006418
observed 5e36fee6a250562950c87d45a279cb04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:19.904067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006418/manifest.json
observed 9a6177dca23c2fe778101966dbba9465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:19.889375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006418/publication.md
observed 9d2cd648241ce1eb8d9ca724ef32e98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:19.873808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006418/publication.txt
observed b2380c56f2972dfdef79c109c920df68...
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.