OpenTechnical

OT-2026-000016213

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000016213) never changes.

Identity and time

Publication numberOT-2026-000016213 · never reused
Internal UUID01a0ae6e-2d11-7604-8b80-d4825535f864 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016213
StatusPUBLIC

Content hashes

Canonical textc2803142d759b741beab7a4febdaea1ca41e4a500f070321fdbab14abb4c559a
Markdown753c6f2bef1ec113c1b9a365564246d2ae86dfd34c0bc0a5649f2aaad4d17f5c
PDF
Publication pageedf9efd19a55d85e2de9916bf00aed6ef8c8c952dfb40688a6a2d39230523aad
Manifestb74233799721f03d699df6d348391345a7bcfeb0e6a5cb9c7c9b7b7925e4a50e

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
Signature5hZWSeJf9jzirt2SP3bgFuZLqibLjidXnyrvzWrgpl4HK4MOpL5tpI739ZA7M5uDkXcwz41fXqz1RVHJywmOAA==
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

2026-09-17T12:03:40.469029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016213
observed edf9efd19a55d85e2de9916bf00aed6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.452713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016213/manifest.json
observed b74233799721f03d699df6d348391345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.436025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016213/publication.md
observed 753c6f2bef1ec113c1b9a365564246d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.418034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016213/publication.txt
observed c2803142d759b741beab7a4febdaea1c...
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.