OpenTechnical

OT-2026-000018506

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000018506) never changes.

Identity and time

Publication numberOT-2026-000018506 · never reused
Internal UUID01a0ae6e-b48a-75f2-a0e2-3a3c8aa6b602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018506
StatusPUBLIC

Content hashes

Canonical texta24f6453ce0862ff086570f0552bc0f4d2706e8707a98b7a3c4f078fd38d1d22
Markdownb05b7c51ccbcf82d421d4f8f2ac4692f59eb3a9e9d66509d4517c846d315e2a4
PDF
Publication page965635ff2cf6f1df11b557c95b3b3a7278c102de600c7eea8bf844d428a49c4b
Manifeste2688d4212fee29c1ce199c84d0af49f3c199436c20e9aa6c56bfc8f5d2d5272

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
Signatured0+loV+Zh4TwkciwTlb2aie6zAD7WkafCY9Lw8BboscvUxZBT0I2J8wUz6oxKsNwFWycg58W/eTU4kxDfpo5AA==
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

2026-09-17T12:01:16.635000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018506
observed 965635ff2cf6f1df11b557c95b3b3a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.618552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018506/manifest.json
observed e2688d4212fee29c1ce199c84d0af49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.602341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018506/publication.md
observed b05b7c51ccbcf82d421d4f8f2ac4692f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.583713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018506/publication.txt
observed a24f6453ce0862ff086570f0552bc0f4...
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.