OpenTechnical

OT-2026-000061447

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three 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-2026-000061447) never changes.

Identity and time

Publication numberOT-2026-000061447 · never reused
Internal UUID01a0ae8b-7b43-780b-ad40-f734e7427aef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061447
StatusPUBLIC

Content hashes

Canonical text9f203ca9f644e66eca55fae2186e434e40dc3a21451bdb025253eced62c4d40f
Markdown0d1315d69551d3092cec566f29d04a16ed17905b708c0841ed465fe3fb24b65b
PDF
Publication page53c0943cfe5dedeec30d84638f4529450c173a63805904882289fa7f9608e4ad
Manifest5c844bc98625c45808a5b5e72fcca572f2dda878680f1394cbcf092664a90040

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
SignatureXqI0Ep0Nx0t3Xq9j64thZfRaPkgeAweuRpKrgnY7OTs7LOPB7h6nDiadZLipDV+CuhjCcZIt6vIygcRJ929FAg==
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...

Independent retrieval

2026-09-17T10:41:19.665852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061447
observed 53c0943cfe5dedeec30d84638f452945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.648667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061447/manifest.json
observed 5c844bc98625c45808a5b5e72fcca572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.628577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061447/publication.md
observed 0d1315d69551d3092cec566f29d04a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.611105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061447/publication.txt
observed 9f203ca9f644e66eca55fae2186e434e...
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.