OpenTechnical

OT-2026-000052460

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000052460) never changes.

Identity and time

Publication numberOT-2026-000052460 · never reused
Internal UUID01a0ae84-573a-748d-8786-1685fc3f75a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052460
StatusPUBLIC

Content hashes

Canonical textca8e95243f7af93003e562dc572584e60d7ff5ed1917e2c09301b5940d4fc0de
Markdown9047734be596cda8f2a379dd4bee27368828ee81c2d5c88fdae15dce7b3b3739
PDF
Publication pagedc10dc7a04f43fa745362a5b35e14a0eec6ed4bf320221b347f0666e014c9ae2
Manifestc361894aefb40fec39414cfa875d638173dc152c6c3371d3af006de6b005bd6f

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
SignaturePySplP3s8E+X1FX7gKsBQxQdxAesPlzoqDTjwWwfJzqJO6FwBPWJpshhuxUEKP5a+vQ94+kmA4z+uUWjcyRVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:05.184807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052460
observed dc10dc7a04f43fa745362a5b35e14a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.165652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052460/manifest.json
observed c361894aefb40fec39414cfa875d6381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.146958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052460/publication.md
observed 9047734be596cda8f2a379dd4bee2736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.128389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052460/publication.txt
observed ca8e95243f7af93003e562dc572584e6...
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.