OpenTechnical

OT-2026-000011452

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, vented before 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-2026-000011452) never changes.

Identity and time

Publication numberOT-2026-000011452 · never reused
Internal UUID01a0ae6c-88ff-73cd-b5c3-30ccc2f935be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011452
StatusPUBLIC

Content hashes

Canonical text47e2ecd930a0ad0328f6a1118193a24430fc56c8107d64f0560164e681765faf
Markdown4d2c32928606ffa580adaab36155e0db700b901eb44c1b7a4186340fa4a3ae02
PDF
Publication pagedf7b2e253882ca45f9086144e0b16455ac28f09e41e9fbe181b3a97d88bf633a
Manifesta2f1360712e3d0e0e87e7198d02135ab41b9cef0db50717c75091073c3fb14b8

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
SignatureQsZzwwqY59F10lfSvNZH2zZ4Gm0kzK+L2pO0id/uKJ2qmXiqTW0SNf7cA80drx4tHD0de3M1227lw6w+Xr/5Cg==
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

2026-09-17T12:13:12.862918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011452
observed df7b2e253882ca45f9086144e0b16455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.844060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011452/manifest.json
observed a2f1360712e3d0e0e87e7198d02135ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.824133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011452/publication.md
observed 4d2c32928606ffa580adaab36155e0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.804366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011452/publication.txt
observed 47e2ecd930a0ad0328f6a1118193a244...
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.