OpenTechnical

OT-2026-000047568

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000047568) never changes.

Identity and time

Publication numberOT-2026-000047568 · never reused
Internal UUID01a0ae7f-3e59-708c-bfb5-e006d1fecf63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047568
StatusPUBLIC

Content hashes

Canonical text94d494c58f0b73a4ec655b753c1215681f2fab52108a61e75629748b4b1de39d
Markdown0857a4d7eaf37b66621e47681aff5c67c31bc9dd52e55f5a3343a3041bd0f4ff
PDF
Publication page29df2fac15cf43ec241d2c903d6d52eed36565927caebcb9971246fe149927c9
Manifest28a0a421ccfa3c4ae3af22f420463480eff931ea0ba5847907af024ded83981e

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
SignatureaDBH9tudyRDw+wN2c4k/R1WIlPfhGLJTN8tsegjJ9fwF8i4T8FMLCPUije4OKjx17KmGAxPyBRDvpuqFPYiPAQ==
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

2026-09-17T11:06:41.585254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047568
observed 29df2fac15cf43ec241d2c903d6d52ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.567768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047568/manifest.json
observed 28a0a421ccfa3c4ae3af22f420463480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.550343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047568/publication.md
observed 0857a4d7eaf37b66621e47681aff5c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.532189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047568/publication.txt
observed 94d494c58f0b73a4ec655b753c121568...
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.