OpenTechnical

OT-2026-000067194

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000067194) never changes.

Identity and time

Publication numberOT-2026-000067194 · never reused
Internal UUID01a0ae8f-14ff-7cbe-8313-8af4c47b142f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067194
StatusPUBLIC

Content hashes

Canonical texted74163b652f2c4710acac52e5b6b6a6664446029b4478fc5d0cc556d5799a55
Markdowne3ab9578f7556c0757bb8e8456a0ff29aa9e88452af5df1351267b6458efed64
PDF
Publication page0206a1cc8675162119e9982cff8c8901403b2e3e84c72bae915559f9c179dc64
Manifestf073910b1a28e8bf9607e73a2711b80bfc48d685b9852e402787a4d6ab09630a

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
SignatureTXjKDcATD2oV0SRrrqT1IIoZIWdwN89AfjXjy6u1SJL0+i5a2ckeRCZte2heJc16t//dGruyIU1SPnh8CD2YCg==
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

2026-09-17T10:32:28.845394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067194
observed 0206a1cc8675162119e9982cff8c8901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.827274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067194/manifest.json
observed f073910b1a28e8bf9607e73a2711b80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.809663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067194/publication.md
observed e3ab9578f7556c0757bb8e8456a0ff29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.792122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067194/publication.txt
observed ed74163b652f2c4710acac52e5b6b6a6...
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.