OpenTechnical

OT-2026-000018439

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000018439) never changes.

Identity and time

Publication numberOT-2026-000018439 · never reused
Internal UUID01a0ae6e-b48a-717a-8fb1-3005cf6c0abd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018439
StatusPUBLIC

Content hashes

Canonical text7553f14f4ed16d691ee2002a426eaf2737d910474055278a4217bc2739f55ba8
Markdown93cfbf8887bba5931c79cad96d84e147e8ca93a5fcc91cd0d5bdef89bf1c9b11
PDF
Publication page11773fe15218125218ee2181cf9112a08f30d9ae883a706e9df9cc3c4ad8d911
Manifest60ead1e09e297ded769f655e6118ffd5677aac1dcdd3879689a89164b98b8687

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
SignatureXp2XfTZqjaS0v9SzxWaWeF3u0wrGfMGNoKKf4wLIMT5jgZDnqf9M3ZfYcDJvoiyZEug2kB2KEZ3MBiTwOkXtBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:11.605359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018439
observed 11773fe15218125218ee2181cf9112a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.586296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018439/manifest.json
observed 60ead1e09e297ded769f655e6118ffd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.566075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018439/publication.md
observed 93cfbf8887bba5931c79cad96d84e147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.544349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018439/publication.txt
observed 7553f14f4ed16d691ee2002a426eaf27...
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.