OpenTechnical

OT-2026-000030967

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed 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-2026-000030967) never changes.

Identity and time

Publication numberOT-2026-000030967 · never reused
Internal UUID01a0ae74-3fb6-7b84-84d1-8d7616db8051 · 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-2026-000030967
StatusPUBLIC

Content hashes

Canonical textd4f0a7926bdedbc3cc9f9f14c680e9e5b22d61b2f264ade132d184c24ea71a67
Markdown6e178795a6aa4873e0692ac5a83f2693ac7264f4bbc71e3ca8ac00f01f73413d
PDF
Publication page599607ac170546341bd1c4c5083c00c78c26eb534812195b725b5451f8bbad79
Manifest01363e7a27f414ffcccf8cacd2848195532c89faed47ba869bd6cf47370546b4

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
SignatureARK502qupn5+RQmPnnOACxnTfY1EG6S430E5wdUX0p5q0Fm97aNgHoI4nUF0iw98jVJELGA8eFO+CchZR0D3DA==
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

2026-09-17T11:36:58.304284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030967
observed 599607ac170546341bd1c4c5083c00c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.287385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030967/manifest.json
observed 01363e7a27f414ffcccf8cacd2848195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.267852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030967/publication.md
observed 6e178795a6aa4873e0692ac5a83f2693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.250374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030967/publication.txt
observed d4f0a7926bdedbc3cc9f9f14c680e9e5...
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.