OpenTechnical

OT-2026-000030846

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000030846) never changes.

Identity and time

Publication numberOT-2026-000030846 · never reused
Internal UUID01a0ae74-3fb5-73f1-908b-54e9c1e8317f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030846
StatusPUBLIC

Content hashes

Canonical text60bcdf4d9058eaf1618968a0123d691482ed1b6a09153724f951d47ed36469db
Markdownc3290c979089f7cf9bb9dcf4e897ee09bc6944427d63aa9ae67e28a361f4d0b4
PDF
Publication page0a44565cfd780ce8c8e1dbfc33c6def3151505642298e068a4bbec17a2f74c39
Manifest6547343c4d5cb3820d2046964cfce8a7076f8ed538a8bf0483855fe54149f33a

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
Signaturetye0ZFcm8NjvpVG8XPEQyn0DXNu5587aWPq7+v2CrPlDgnH2B+YXGFrB2xxigENk1zRWlyRiWdlRSL1OuYC7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:49.302125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030846
observed 0a44565cfd780ce8c8e1dbfc33c6def3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.281659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030846/manifest.json
observed 6547343c4d5cb3820d2046964cfce8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.260643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030846/publication.md
observed c3290c979089f7cf9bb9dcf4e897ee09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.243492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030846/publication.txt
observed 60bcdf4d9058eaf1618968a0123d6914...
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.