OpenTechnical

OT-2026-000102209

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102209) never changes.

Identity and time

Publication numberOT-2026-000102209 · never reused
Internal UUID01a0aea4-50f3-7a17-8335-6762184bfdcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102209
StatusPUBLIC

Content hashes

Canonical text81a47ed38897f04e35c7aed695057fd3c219753e2930399eb6b0f813e3d99ab4
Markdown7759e9c37a1b830017c5622861c8a259362841634b70360f43e6377bafe16dcd
PDF
Publication page06084c423a0dc88d62c434d502db0b80c672d266cd22368493d7a7d3db4d4540
Manifest6c93e874c96019687af2b8fbfb805a79fb1a2b7f3f878bd82e5e01dbf61b6ef1

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
SignatureyPAkxazTphpypoqFUhFMqTqzsrgt0ndBve87phRrxB+UPpJwxj++IIfbx+Yz5ndCNny/TfKnuxh+X7lpHWLYCA==
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

2026-09-17T09:25:23.050942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102209
observed 06084c423a0dc88d62c434d502db0b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.031655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102209/manifest.json
observed 6c93e874c96019687af2b8fbfb805a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.012633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102209/publication.md
observed 7759e9c37a1b830017c5622861c8a259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.993606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102209/publication.txt
observed 81a47ed38897f04e35c7aed695057fd3...
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.