OpenTechnical

OT-2026-000104033

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000104033) never changes.

Identity and time

Publication numberOT-2026-000104033 · never reused
Internal UUID01a0aea5-341e-7b5a-bdbf-4298992d8948 · 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-2026-000104033
StatusPUBLIC

Content hashes

Canonical text66cfeda6684bd3bb67e31a3d9a7fe871326ed1d9ffbb6481202301eae97550e5
Markdownb35c40ca0a89af9993a20a27ed0c766186794ff4869edca4a487316c8593c4f5
PDF
Publication page45429ecb92b0ede6ecced0b8eee90e6384c97025e1df4b0471da1a81008f310a
Manifestfd356ed93c36ce945ea2c852bcce00b2b4e98b87719a6b7822237429b966c217

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
SignaturebAJRPkuDovODdZctvNFSv2z88L2fxU4qi+oJBBlsXjxCUwbvXKgZcqVBIbc5TC1PFjaSgZ2ueBcMWR+Y2vQ8BA==
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

2026-09-17T09:20:05.783071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104033
observed 45429ecb92b0ede6ecced0b8eee90e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.764129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104033/manifest.json
observed fd356ed93c36ce945ea2c852bcce00b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.747699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104033/publication.md
observed b35c40ca0a89af9993a20a27ed0c7661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.730071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104033/publication.txt
observed 66cfeda6684bd3bb67e31a3d9a7fe871...
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.