OpenTechnical

OT-2026-000015569

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-2026-000015569) never changes.

Identity and time

Publication numberOT-2026-000015569 · never reused
Internal UUID01a0ae6d-ef4b-7ef9-8250-8c9f5c5869b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015569
StatusPUBLIC

Content hashes

Canonical text6fe5fc9b3b64aa9ac79326c841deb2bec1cd3a02b5073be8c5dc23531b5a3556
Markdown0faa6b224c65672eff842fca3825157752dad1c11d4eaa5825e1b6daad7918b3
PDF
Publication page739d6a8f80f8c3e2ba89f23a310e2bac97eea613bdb4b5904728ba66f8e4d00c
Manifest560e6adf1a99261578334015f1553135552054c0b7beb6e1c019fc8e27063a56

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
SignatureTzjCg/BUKeKx/ylJt4zWkmuVGDFLuokMj7kz52lruXNzQ2R7sl3ga1duISu3WPOTbUX5IJu9p6tU69LT3A5mCw==
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

2026-09-17T12:06:21.642941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015569
observed 739d6a8f80f8c3e2ba89f23a310e2bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.624673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015569/manifest.json
observed 560e6adf1a99261578334015f1553135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.606343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015569/publication.md
observed 0faa6b224c65672eff842fca38251577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.587186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015569/publication.txt
observed 6fe5fc9b3b64aa9ac79326c841deb2be...
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.