OpenTechnical

OT-2026-000104352

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000104352) never changes.

Identity and time

Publication numberOT-2026-000104352 · never reused
Internal UUID01a0aea5-3421-7dda-a74f-e5ad4ae56bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104352
StatusPUBLIC

Content hashes

Canonical textfa65f4d900517cc7dcd8b0388b5cef38d40b2e804f11d97d629f080689048a20
Markdown728c27250fa123c52ecbc0e35d1ba4062d027a7201bb80748aca6054f24e9819
PDF
Publication pagecdd97718bb2d667fd4b96b90082583d4da0cfc09677ab2967799e20ddbf364d1
Manifestff605c836cccb396dece64f996e455ac6f721ce2978d64bcf7d7bcdbd1ba9f80

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
SignatureqE+fVBMk2pnWSiVn1GpNiDFNcTfaBUV6rJ+PNPHwu0NmNRtHO7yPAPjQ6SpLmcibgIik3oN4uF1iTBbVQLkfBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:36.558377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104352
observed cdd97718bb2d667fd4b96b90082583d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:36.541652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104352/manifest.json
observed ff605c836cccb396dece64f996e455ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:36.525461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104352/publication.md
observed 728c27250fa123c52ecbc0e35d1ba406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:36.510199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104352/publication.txt
observed fa65f4d900517cc7dcd8b0388b5cef38...
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.