OpenTechnical

OT-2026-000047207

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000047207) never changes.

Identity and time

Publication numberOT-2026-000047207 · never reused
Internal UUID01a0ae7e-d0f9-7ef1-93ae-2588c1c56857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047207
StatusPUBLIC

Content hashes

Canonical text3ed65d636df648992d1033cb441ff720901768403c77cc39992d1cbb69e6e930
Markdown0253c2ba32e85ec7f2314ec2e4e2047c0e109f7e4507b07e2ab0fb6d57e8416c
PDF
Publication page0eb4696dd663cd4c2d9577c8ca0c88a896d68649d6171b1dd8d78743e57635bf
Manifestc2c65d13cad24c17d08d145b0d79ec9cfbfaf75e49e177fd2818b8455224b551

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
SignaturemhuPuCQ0wfPkrpUA/83skHDZaHhqv14pIL/VaekJQYKcoyaQeiDijPmiEkuAryDVenjmPvf4OuJzH0UZaSTMDA==
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

2026-09-17T11:08:02.412726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047207
observed 0eb4696dd663cd4c2d9577c8ca0c88a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.393109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047207/manifest.json
observed c2c65d13cad24c17d08d145b0d79ec9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.374019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047207/publication.md
observed 0253c2ba32e85ec7f2314ec2e4e2047c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.352574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047207/publication.txt
observed 3ed65d636df648992d1033cb441ff720...
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.