OpenTechnical

OT-2026-000089329

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089329) never changes.

Identity and time

Publication numberOT-2026-000089329 · never reused
Internal UUID01a0ae9b-db01-7905-a1eb-b3b1c073d773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089329
StatusPUBLIC

Content hashes

Canonical textcd9539dc3afb3c2293ac7057e007db7d8537de6bbdd8d02dbc2fa8a46afb66c9
Markdownc5550ecfec1445793818e769a337b01b42221d59ea30f64d9f7c90fd252a14cb
PDF
Publication page0c2338a2e4b0fd4d6d814c3915b41c886e8408002a6a65a655104e8da0a953f8
Manifest574cdc990b39b31183acbd3cb99ba98cdae8e4940da533cb30d545cacf6dbcb9

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
Signatureakm/HVxqzbtr0jjvmtX/5C6fnCxWIghPIcBIMD5L3V33vtfDEaS9FGTS7Z5eBPTtb8h2S8IqINo3EcrtsShaBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:22.859409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089329
observed 0c2338a2e4b0fd4d6d814c3915b41c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.843036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089329/manifest.json
observed 574cdc990b39b31183acbd3cb99ba98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.824844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089329/publication.md
observed c5550ecfec1445793818e769a337b01b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.806844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089329/publication.txt
observed cd9539dc3afb3c2293ac7057e007db7d...
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.