OpenTechnical

OT-2026-000035428

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000035428) never changes.

Identity and time

Publication numberOT-2026-000035428 · never reused
Internal UUID01a0ae76-6a20-7e5d-bbb4-c92280561395 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035428
StatusPUBLIC

Content hashes

Canonical text6effb98667e42158440b4f6375c479b09cd0350720f617225f5f20a2bcdcae40
Markdownb961769bd525ffcefe0c0fd1de060dd95eb3852e399c5a4495ec53a7f190f93f
PDF
Publication page67fdaf32145c12a1222993d40c04b5c60a7cd16cc4da1c8486f58b03f16ea360
Manifest22ca22f86d7e371c0e9be396e6fc8303c7b2ea08a55bca91ebbec00b6e454248

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
SignatureYpI/yvgQTf2AVHrW+5RLKvKyrWpUgsrzjGboIkXoa9iemRhFJNyKCHs0gQbuYaVOrcF1xif+CsdBfv3ZC27hDw==
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

2026-09-17T11:28:44.344626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035428
observed 67fdaf32145c12a1222993d40c04b5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:44.327120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035428/manifest.json
observed 22ca22f86d7e371c0e9be396e6fc8303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:44.306729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035428/publication.md
observed b961769bd525ffcefe0c0fd1de060dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:44.287731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035428/publication.txt
observed 6effb98667e42158440b4f6375c479b0...
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.