OpenTechnical

OT-2026-000011217

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000011217) never changes.

Identity and time

Publication numberOT-2026-000011217 · never reused
Internal UUID01a0ae6c-5410-783d-94b4-ff80504ea0d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011217
StatusPUBLIC

Content hashes

Canonical textca5821c247adc5110952c099bbfddf51679546ce340cbb1f6a09dd590556df83
Markdown6c121756c382945fa8286745bc512352925a2f4b1aaa0fef7af822a97f17e7dc
PDF
Publication page0fb60e137e3321f7b029cfbf17f5c0a32e717c32e95e3541ce85f7702a720516
Manifest118a69a4949d0a0c4fb334fc7e0e05445ea67b27b430ed37c5ca115aefab3df6

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
SignatureqweVI+JxwqiM+kjczkQpNC42rZkcMj5SGGG/8ugLJ1LXgS8eSS1A1+Bae04UgiTeXuV9+aqDihL//7daymiZDg==
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

2026-09-17T12:14:10.361013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011217
observed 0fb60e137e3321f7b029cfbf17f5c0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.340668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011217/manifest.json
observed 118a69a4949d0a0c4fb334fc7e0e0544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.321825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011217/publication.md
observed 6c121756c382945fa8286745bc512352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.301021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011217/publication.txt
observed ca5821c247adc5110952c099bbfddf51...
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.