OpenTechnical

OT-2026-000079149

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000079149) never changes.

Identity and time

Publication numberOT-2026-000079149 · never reused
Internal UUID01a0ae95-ccbf-7b7c-96c2-41e45860be87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079149
StatusPUBLIC

Content hashes

Canonical text87fef0444258d454e75f443a16985b1c6743f9a73d179826bd35063bb9f2dd2e
Markdownaa87847a5ed06b38ca4be3ea23ea3053a650485b40f7c2976cc0eab50f37bf69
PDF
Publication page0fcc46c696aaf80f72572b33b6a2ea192175027104467671bec05c312c9b4bbd
Manifest282b5940c8798b63b5a3099efe189bf484e23065644a1b898dd12a32da18adf5

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
SignatureX/DzZpbDsgmAWhRLtYdw078bOcqo9KrtVzCWxIdKUp+YSQe3GHxDMiBqJWcHuxu88ZaOkrdV9W6J8hau+eEXBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:59.948614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079149
observed 0fcc46c696aaf80f72572b33b6a2ea19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.930754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079149/manifest.json
observed 282b5940c8798b63b5a3099efe189bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.912781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079149/publication.md
observed aa87847a5ed06b38ca4be3ea23ea3053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.894711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079149/publication.txt
observed 87fef0444258d454e75f443a16985b1c...
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.