OpenTechnical

OT-2026-000060425

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000060425) never changes.

Identity and time

Publication numberOT-2026-000060425 · never reused
Internal UUID01a0ae8a-b7cb-7f6b-ac54-262884a69e34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060425
StatusPUBLIC

Content hashes

Canonical text62f620872596742576b44e0e5bd16ea06ad39c3dd5bb2b4df5d7115a43fb5239
Markdown6c884360bb8ab9ce3fde077a0264f1505447f3205d34a9623054f9901482abc6
PDF
Publication paged07ee1143f0e64b40fb7c88d68e723fb7726c8f463685a77add09612daa57128
Manifestd55bea6bfc4ba172c0f4ac020b97d8ba3d24db21187847bc77a8ffcf8b033a02

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
SignatureqQ4z7D3SZX0eTCLRNWgBMb6Ft9owQ2YVRruGIznP5AT393HJSf52gkCUnbRjRhz3t5QZ6uG/RnF7V4853IFGCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:54.006587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060425
observed d07ee1143f0e64b40fb7c88d68e723fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.985603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060425/manifest.json
observed d55bea6bfc4ba172c0f4ac020b97d8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.966275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060425/publication.md
observed 6c884360bb8ab9ce3fde077a0264f150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.948019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060425/publication.txt
observed 62f620872596742576b44e0e5bd16ea0...
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.