OpenTechnical

OT-2026-000094498

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000094498) never changes.

Identity and time

Publication numberOT-2026-000094498 · never reused
Internal UUID01a0ae9e-f4e9-717f-87d9-8fa712f5fd71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094498
StatusPUBLIC

Content hashes

Canonical textb260bd224df4cd2c895893d3d2552d967a6142377d4da805a44197d932dbfcb6
Markdown79f9a41e6bb3c87eb70e13924abfa46db8d8b1d1981eb765e4169fcb384f6683
PDF
Publication pagea27451d146f957b6fe673838ca14f469b511c3d1a1fe8ca57479da2ff6b131a1
Manifest069bdcc64dae16ca7af93a21d59fcbf9c94b97c211dfa25b9516b1502595d819

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
SignaturenzF3uhaghhlGd2sgBvj6D+DuT51dP2N0RG1mj0KgfM4CGsKoQ2VZTHatc4kdw/qR05hY5Cf5y9ey195ZaPnQBA==
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

2026-09-17T09:37:55.646939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094498
observed a27451d146f957b6fe673838ca14f469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:55.629555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094498/manifest.json
observed 069bdcc64dae16ca7af93a21d59fcbf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:55.609356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094498/publication.md
observed 79f9a41e6bb3c87eb70e13924abfa46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:55.590907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094498/publication.txt
observed b260bd224df4cd2c895893d3d2552d96...
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.