OpenTechnical

OT-2026-000018240

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000018240) never changes.

Identity and time

Publication numberOT-2026-000018240 · never reused
Internal UUID01a0ae6e-b488-7db3-a3f5-425cf0440363 · 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-2026-000018240
StatusPUBLIC

Content hashes

Canonical text74d8a67309f81b7b1f591bffe1553acc13463df06f89f0dd5268d21626006629
Markdown8056c82a2cac4d76b681fc6e2dfd0c55f51303c4828bedd8e180222da4ee72b1
PDF
Publication pagead8ccbdb6f85887f980b44e79dede50e270fc498cc454801855e53cb4bffae0b
Manifestee2146946665ba575107ae2c7114cc12705d67d3b6d4d39fefc4dbf10e6d0582

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
SignatureYG6ZeHhWKfW+Ptqx5veD6zFA85XFbn9aK1skVDfGBQQ4VK9Rv0sR3D6bkVMcUrLRPCgMQKAiyulMadKRaIsWCw==
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

2026-09-17T12:00:03.322019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018240
observed ad8ccbdb6f85887f980b44e79dede50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.298597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018240/manifest.json
observed ee2146946665ba575107ae2c7114cc12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.273955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018240/publication.md
observed 8056c82a2cac4d76b681fc6e2dfd0c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.246971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018240/publication.txt
observed 74d8a67309f81b7b1f591bffe1553acc...
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.