OpenTechnical

OT-2026-000017709

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000017709) never changes.

Identity and time

Publication numberOT-2026-000017709 · never reused
Internal UUID01a0ae6e-96fa-7137-b6b1-71e846d240ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017709
StatusPUBLIC

Content hashes

Canonical text85d8db14b5cf0160ed34759290b9ebb4d9b3f113d0ff85d86241741aa5c8ee29
Markdown2500f807572dae301248a5d77eabedf5c41a8afb3cdebd8df8e107152b95fd14
PDF
Publication page7c290fa4ed58bad3dd67b41978849f83b3f0acd82c84581712bf0a0907d732ef
Manifestcf76d43324a02888a7ec467e544447ed497961e1a098b8ce03169a7f29266075

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
Signaturedk0rmjcp+ZdFZDlf7FN6p9v9/+mLFIXmgcfalk6ALkTZlkUlN1/ds5mSZx7Sf+1vJpUhO7dFh4oWzB/ajMKDCw==
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

2026-09-17T12:01:39.793491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017709
observed 7c290fa4ed58bad3dd67b41978849f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.776879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017709/manifest.json
observed cf76d43324a02888a7ec467e544447ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.761458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017709/publication.md
observed 2500f807572dae301248a5d77eabedf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.746411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017709/publication.txt
observed 85d8db14b5cf0160ed34759290b9ebb4...
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.