OpenTechnical

OT-2026-000033318

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000033318) never changes.

Identity and time

Publication numberOT-2026-000033318 · never reused
Internal UUID01a0ae75-8980-7ee1-851e-5e734b2f9ad5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033318
StatusPUBLIC

Content hashes

Canonical texta086fc0140e2f17ff297de717222dc511067b73dc1f1f854f5b82346fc8ab37e
Markdown28b8f031fc80bfb1e9917520e59f3baad92cc039ba4eb31000fb23e5cb4ce485
PDF
Publication page42f35454d01c00e6480a49bb43404200a638837e5d936052135f2e4b1a076c6f
Manifest6e1c0a8f0b28b506eb988577e593edc3577a7d4ba6219ac4cc2cfd4be139f6f9

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
Signature+4byX7RAxkyyqDgA1f7vl6kJBEVeOhqxZwgT7Xg9IZzKkFqYs1IBYsdO4G1v4pU9cqrDXRtiKfZF5KjHhg9qCQ==
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

2026-09-17T11:32:04.117640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033318
observed 42f35454d01c00e6480a49bb43404200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.101038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033318/manifest.json
observed 6e1c0a8f0b28b506eb988577e593edc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.079370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033318/publication.md
observed 28b8f031fc80bfb1e9917520e59f3baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.061212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033318/publication.txt
observed a086fc0140e2f17ff297de717222dc51...
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.