OpenTechnical

OT-2026-000049057

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000049057) never changes.

Identity and time

Publication numberOT-2026-000049057 · never reused
Internal UUID01a0ae81-134d-7429-9800-d04277df3e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049057
StatusPUBLIC

Content hashes

Canonical texta2cce47d2be51cc783b17061a154407078f65c86a957b315dbce3c5c46c69c78
Markdown4f5c14be585395a5f8a7b60ed971d764a17727d584d6fc2da474012feb6a4eb3
PDF
Publication page0c94b28b39c296e6e269209a97db4e05526c085e913428c291159af6bd0aef18
Manifeste50929caad91d6d36b9c5185dd049b55158b753ecf6d247bca4a2cf24a99ecbf

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
Signaturexc4JptX+NwBu1b57dsR3+KgZnqjhUooeGqSEhq/DAal4jGtJPy7Ann9psoNGUD4RKdkUY597P3e45HNgX5AMBw==
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

2026-09-17T11:03:17.259020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049057
observed 0c94b28b39c296e6e269209a97db4e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.238430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049057/manifest.json
observed e50929caad91d6d36b9c5185dd049b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.219006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049057/publication.md
observed 4f5c14be585395a5f8a7b60ed971d764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.197511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049057/publication.txt
observed a2cce47d2be51cc783b17061a1544070...
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.