OpenTechnical

OT-2026-000102302

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000102302) never changes.

Identity and time

Publication numberOT-2026-000102302 · never reused
Internal UUID01a0aea4-50f3-7672-bf17-d07b3efdf33e · 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-2026-000102302
StatusPUBLIC

Content hashes

Canonical textd98b46b9432576c57c3487dc4e2bf661cc004e1efb933ea321ed3e918371989a
Markdown569ef9b13efee8a70c6dff735c7cb3254f05a96aa8d65e7cb695777e06750470
PDF
Publication pageb6c37bb47a451fb5f7d0d1e2da89015f900edc53df880342cf054d7171c8b9ad
Manifest812824bced7230a47d6231712b249795e14cf826dfb09b0ab6859dbb92dfc7e4

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
SignatureIMfA2wdE0jaAmNIchFu1Vlfy0anXgjtSdL6H7Wx9S9WXSB1njCqJa2BaYcWENQRTvXe+tfkmssmYkYZKzczhAw==
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

2026-09-17T09:25:29.786840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102302
observed b6c37bb47a451fb5f7d0d1e2da89015f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.767631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102302/manifest.json
observed 812824bced7230a47d6231712b249795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.749622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102302/publication.md
observed 569ef9b13efee8a70c6dff735c7cb325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.732213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102302/publication.txt
observed d98b46b9432576c57c3487dc4e2bf661...
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.