OpenTechnical

OT-2026-000017519

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000017519) never changes.

Identity and time

Publication numberOT-2026-000017519 · never reused
Internal UUID01a0ae6e-76ca-7d98-b5b7-0dfce187d0be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017519
StatusPUBLIC

Content hashes

Canonical texte084ff917dbb1692f4916683a4e3855668b3cada529808f505f54b6ba89c8885
Markdownce47500ad9d47e599e9f974d1ca148ff6c0490c78702447683fa2ed7b5b57c8d
PDF
Publication page0c65b095d0e4a72084fdccc876e5e8df39b2de8b8963351a13f3563b43642478
Manifestfecd66d9d1ac284564093978977d73dab1d36a751bc9c22abbb71a69660bb8e4

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
Signatureoh7E6LR1uZ7oUKBoGAXY5wegwIpRSl9yOYdHtdUiV164ZIjx01p6u/icDAsydwvPKcGDudnFOFD+joMS5p+HCw==
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

2026-09-17T12:02:40.619585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017519
observed 0c65b095d0e4a72084fdccc876e5e8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.602433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017519/manifest.json
observed fecd66d9d1ac284564093978977d73da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.581926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017519/publication.md
observed ce47500ad9d47e599e9f974d1ca148ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.564812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017519/publication.txt
observed e084ff917dbb1692f4916683a4e38556...
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.