OpenTechnical

OT-2026-000011724

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000011724) never changes.

Identity and time

Publication numberOT-2026-000011724 · never reused
Internal UUID01a0ae6d-1940-78e0-b817-4ac4072d36e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011724
StatusPUBLIC

Content hashes

Canonical textb0f65e0321f83302ccbfd0bda78c58add12a08a64f2c5e1b1497e680caa321ac
Markdownea2550ed817ed28e967888a226ca4e8137f6fd23bf3cb22a493762c0e90f6a90
PDF
Publication pagea18ec7f80ad674eda63072c5e8ab2edd9785b7553ff9c37f249a17ac5c490f47
Manifest84d16992add37785003926c2cb553b9e5d2d6b95a4e696508badad56f1722925

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
Signature2gSvFpchDG8FXaQXZGaqoMwm9QnURrUCfOpTxD6PmzCbIJa3v5htVaJzwENI6Kij2JoujXXHLQCvMHwS8lQCDw==
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

2026-09-17T12:12:20.337983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011724
observed a18ec7f80ad674eda63072c5e8ab2edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.318563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011724/manifest.json
observed 84d16992add37785003926c2cb553b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.300623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011724/publication.md
observed ea2550ed817ed28e967888a226ca4e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.282302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011724/publication.txt
observed b0f65e0321f83302ccbfd0bda78c58ad...
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.