OpenTechnical

OT-2026-000050011

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000050011) never changes.

Identity and time

Publication numberOT-2026-000050011 · never reused
Internal UUID01a0ae81-fd78-7abd-8888-e36893697f76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050011
StatusPUBLIC

Content hashes

Canonical textbca3223b8a0d8c4fc0837f904bc0fc7b3e67f3889af2e0d28922aea167e24ff1
Markdowndc01b121f35a74082324950940e77c5ddc01c47309b2a99fea5085fc6b1174d1
PDF
Publication pagea54071868713d3bf02ed34e5a4a902aa1b4fffc9a468468619d2cc5307d449e9
Manifest7a2d10394f15c7517bd578aa9bbfee7e7d41270b50f72e537f5275af0c81d5d9

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
SignatureUELGW9eLopfBcWqwWY6Ppy5EL64oXBvNX9R9b1neqSaLRVQg4ZeuPGKE4j10ts0jM0JS/xQQzOGThYYeFMbcBQ==
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

2026-09-17T11:01:58.470683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050011
observed a54071868713d3bf02ed34e5a4a902aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.452059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050011/manifest.json
observed 7a2d10394f15c7517bd578aa9bbfee7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.432298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050011/publication.md
observed dc01b121f35a74082324950940e77c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.414348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050011/publication.txt
observed bca3223b8a0d8c4fc0837f904bc0fc7b...
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.