OpenTechnical

OT-2026-000017447

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000017447) never changes.

Identity and time

Publication numberOT-2026-000017447 · never reused
Internal UUID01a0ae6e-76c9-72f2-9140-25d04f3d526b · 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-2026-000017447
StatusPUBLIC

Content hashes

Canonical text3088e84d2c25623314a67ee06bc6931bc9722cdad1a1dbafce56803731c82814
Markdowne6cbdca97f435811ec28f7bfc66c0a60cfbb510da868ed65350a4462bf763cd1
PDF
Publication page8b01135b6ade7bf24c9d4d8f94bf85994453ebfe0cd45bc5c61b79d6d3975590
Manifestc7b25247a326237fc240c4b5d89729acb9de6650cdb396103c3852ce7aacd69b

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
SignatureUjOGO5THHj+U2C5AYA8UNLN3RGD0mMIcsDuXymgfq2WpE9DBEKBDUFZBO4xGRwnoBk6c+9hKGmgGL/II8S14CA==
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

2026-09-17T12:02:34.949485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017447
observed 8b01135b6ade7bf24c9d4d8f94bf8599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.932403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017447/manifest.json
observed c7b25247a326237fc240c4b5d89729ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.914960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017447/publication.md
observed e6cbdca97f435811ec28f7bfc66c0a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.898941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017447/publication.txt
observed 3088e84d2c25623314a67ee06bc6931b...
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.