OpenTechnical

OT-2026-000040350

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040350) never changes.

Identity and time

Publication numberOT-2026-000040350 · never reused
Internal UUID01a0ae79-2700-7423-b831-17a1ec573f0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040350
StatusPUBLIC

Content hashes

Canonical text8dd23029c7142b38ce15eb9396913cdedd99a6e92f5190173fc4b3894bdebaa8
Markdown96d28e7b501e1a9d76450cd61306c3b51c3ca21a46f6ab42ff8d646ade7ffed5
PDF
Publication page299d1e15f52126d630879452a809b7f2d64673380c559b617f3061ac060f8886
Manifest834e64357b00f4cb2cca9bd234409c8397b18f6019eede2293c7d42904cf6c8d

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
Signaturewgfxup0A5mkjh+/e9rn0CMKweAyCKK0InCYQIFRPQQO7HsJDqHsR81omAgLC10ZI+R4EHD34Bj7wECLLhiSrAA==
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

2026-09-17T11:19:21.722189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040350
observed 299d1e15f52126d630879452a809b7f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.705467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040350/manifest.json
observed 834e64357b00f4cb2cca9bd234409c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.686964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040350/publication.md
observed 96d28e7b501e1a9d76450cd61306c3b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.669655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040350/publication.txt
observed 8dd23029c7142b38ce15eb9396913cde...
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.