OpenTechnical

OT-2026-000062656

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000062656) never changes.

Identity and time

Publication numberOT-2026-000062656 · never reused
Internal UUID01a0ae8c-6388-78e1-8590-8b46e59adcff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062656
StatusPUBLIC

Content hashes

Canonical text5c0c750adf06940c74c6639b1ffcf35d471d41f08fddde08a5a81cc0491230cd
Markdown65314fe3c5f2ca18b317a46f52260e684c45d7a9cd451fb7caa5be594c9aea56
PDF
Publication paged0d4e4fb1670ba0d236e933dd9c5eb1bda54b77862c83d519c7a4445bc593013
Manifest5f9f9f8745049cac5058da59e36a5ab33f19a5b7728656c62ac26fa3b397e819

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
SignaturepF6mvLrDdis22anGwB/9QovmY48a5rQujB5sDPllIEFeTXGHc/mvsqsXbZLoinZBEbHMcx+y077XNL10txteBw==
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

2026-09-17T10:39:12.603299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062656
observed d0d4e4fb1670ba0d236e933dd9c5eb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.588646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062656/manifest.json
observed 5f9f9f8745049cac5058da59e36a5ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.573537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062656/publication.md
observed 65314fe3c5f2ca18b317a46f52260e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.558631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062656/publication.txt
observed 5c0c750adf06940c74c6639b1ffcf35d...
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.