OpenTechnical

OT-2026-000013810

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000013810) never changes.

Identity and time

Publication numberOT-2026-000013810 · never reused
Internal UUID01a0ae6d-8de9-7daf-8b8f-ff474178fb2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013810
StatusPUBLIC

Content hashes

Canonical text4e6bb2840c395e38c12193d5a52f64eae9de5660518597e629769f26c6f54156
Markdown3a22eaaf5289bc079da1a5f85fea5095e264ba277cd85adf958b2cad1b37b569
PDF
Publication page9427a055ce2456ea15f3a654e279b029ec6833f41af436475082d478762514b0
Manifesteabcadaaa2c245bdc76b0bbd917cd8295771c1e4a4ededdde6883e0b5c8b7a47

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
SignaturesiWJlKRV9rcisK2RSzJ2Sd8eQtNdUN+5HQjwBIs3pEoyGlTLPIOv0mnOR2FRRlCsufQrZwthlngbsJ7xdl8DDw==
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

2026-09-17T12:08:54.318826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013810
observed 9427a055ce2456ea15f3a654e279b029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.299049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013810/manifest.json
observed eabcadaaa2c245bdc76b0bbd917cd829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.281334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013810/publication.md
observed 3a22eaaf5289bc079da1a5f85fea5095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.260442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013810/publication.txt
observed 4e6bb2840c395e38c12193d5a52f64ea...
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.