OpenTechnical

OT-2026-000064721

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000064721) never changes.

Identity and time

Publication numberOT-2026-000064721 · never reused
Internal UUID01a0ae8d-deb9-7fba-886d-7b547096d15e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064721
StatusPUBLIC

Content hashes

Canonical text5dce1080062d16bebde6dd64e5b2955e1842a020e1e02309bd84e172bfb65e2d
Markdowneb159b3368d634b67d220bc20f4bab83cf787e16b42ffb00e4802e8850c73311
PDF
Publication paged4b510b0cf39e1caea9c3af8977bb36fa760c0f14f0ae9675c3484ad2352ae97
Manifest07343d85903f139b2fd6fffcd41494d1baebf244d2b33502ee2617d4029a1be3

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
Signatureb05ctdCNTL/ziCT6hP9vAi54n35CjBw65/6JdrgBkF59C/d6Qr7Y4YLpTsFwIimCGhYsLVvimRDOHdjvMIEvAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:35.767763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064721
observed d4b510b0cf39e1caea9c3af8977bb36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.747111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064721/manifest.json
observed 07343d85903f139b2fd6fffcd41494d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.727513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064721/publication.md
observed eb159b3368d634b67d220bc20f4bab83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.706872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064721/publication.txt
observed 5dce1080062d16bebde6dd64e5b2955e...
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.