OpenTechnical

OT-2026-000018567

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000018567) never changes.

Identity and time

Publication numberOT-2026-000018567 · never reused
Internal UUID01a0ae6e-b48b-7ec5-82f0-29b379545c97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018567
StatusPUBLIC

Content hashes

Canonical textb18d1a7f678c5c3ea9707d8065f8046c3c0b1bdede79d82a46d97460a7a28bf6
Markdown2481cc3f11cc45596bc3f1967a0714bcaf7855d98543c71df8702df93d7b96fe
PDF
Publication pagea71639e6d4c2d0dc6d2b4e793d636bac60695098dae9c528ee5017a1aecf5373
Manifest9527562b1ad48df0bbd30014e33356f02aeb66627f216edd85621628186ddc7a

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
SignatureI/Ri98+VJkdp03XrWvBG9L5Mejihy3u9kQ5ArbBEAXoFNG3WJY4FkDqtImo61z75dgKopGfGTRnr9Tpky/DuCg==
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

2026-09-17T12:01:22.122145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018567
observed a71639e6d4c2d0dc6d2b4e793d636bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.105805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018567/manifest.json
observed 9527562b1ad48df0bbd30014e33356f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.088945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018567/publication.md
observed 2481cc3f11cc45596bc3f1967a0714bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.067325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018567/publication.txt
observed b18d1a7f678c5c3ea9707d8065f8046c...
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.