OpenTechnical

OT-2026-000104093

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-2026-000104093) never changes.

Identity and time

Publication numberOT-2026-000104093 · never reused
Internal UUID01a0aea5-341f-7e02-8051-7dbb00e3c843 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104093
StatusPUBLIC

Content hashes

Canonical textfd3ff14518a1f2efc3f0a62ac2cc97b38fb62664bbdf27964db7da025e2b8089
Markdownb57d9d6c7ec28452cfd66e29069db366a28d650375d36e1e8a79d3ca82653244
PDF
Publication page0028ff2661a59610e70c1483cb9e0a5fa136b8ec19aea4ecc94a003a1ada3772
Manifest454271a87800fb72348b7ecaad30691863bb0d6200c9d78ca4efdc6cf557a26c

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
SignatureZlKEZBQztn2nKQ851zub2s3nJJvI9APmhfB8kvQf04HRS/MwVPyB2pOYf5VRt/GCXAaOF9SU/a3sCt65HUdnCw==
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

2026-09-17T09:20:09.821518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104093
observed 0028ff2661a59610e70c1483cb9e0a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.803896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104093/manifest.json
observed 454271a87800fb72348b7ecaad306918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.786444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104093/publication.md
observed b57d9d6c7ec28452cfd66e29069db366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.769513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104093/publication.txt
observed fd3ff14518a1f2efc3f0a62ac2cc97b3...
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.