OpenTechnical

OT-2026-000064425

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000064425) never changes.

Identity and time

Publication numberOT-2026-000064425 · never reused
Internal UUID01a0ae8d-a461-7f71-b47d-10eaa4ea81fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064425
StatusPUBLIC

Content hashes

Canonical text82d105381593fa7b5c182d0864377fada3d5c65bd1307efd23d59ed788bd98bd
Markdown0e38feedf5db0061c116163bcf314693964050d2f17fc22d30db1aa6ec2a2ec7
PDF
Publication page3be01658c4ded47c34970bebeb8b11b4a91fb38a5bef421a4eab30077236631c
Manifestaf97a45cd61d1786545999a197a5ce55ec5443758e3d5b3b9719e38d3c4c90ce

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
SignatureVUK1uWBxoV7uuq12wsRu1P+W+Sz4HiWadNnAoPBmmYo/hxk3GfQpCASREyD4+uAhZ1H2Nf7uj3WWqv/9jLSUBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:36.447079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064425
observed 3be01658c4ded47c34970bebeb8b11b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.429636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064425/manifest.json
observed af97a45cd61d1786545999a197a5ce55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.412074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064425/publication.md
observed 0e38feedf5db0061c116163bcf314693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.395135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064425/publication.txt
observed 82d105381593fa7b5c182d0864377fad...
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.