OpenTechnical

OT-2026-000011191

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented after 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-2026-000011191) never changes.

Identity and time

Publication numberOT-2026-000011191 · never reused
Internal UUID01a0ae6c-540f-7d8c-b7df-c4b4f3bb952e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011191
StatusPUBLIC

Content hashes

Canonical text98615a170333459bab49e846a3b6476bdeab6a1ccf997d84c94c04eee0993d0b
Markdown08404f834e66cc813007d54157f0b73598bd3a3f9622b440d1708e9ee0c87e10
PDF
Publication page2c5171664170445b72f1119cfa41f7677f4cc7f99e920d378e0834af95121eb9
Manifest917ee915da71c5ebcf9eb4ee54f0dead7f844a706983b4119ed0d2ca1a550789

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
SignatureFW1DcTxG0d1y25+4HLbkbnYjFFNRNSEIP6xH6f5ERUGujhDGiktwAjmS76IuyCkNmAvG1zkIHlzrnFbBRd9mBw==
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

2026-09-17T12:14:08.204304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011191
observed 2c5171664170445b72f1119cfa41f767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.182399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011191/manifest.json
observed 917ee915da71c5ebcf9eb4ee54f0dead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.163337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011191/publication.md
observed 08404f834e66cc813007d54157f0b735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.143417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011191/publication.txt
observed 98615a170333459bab49e846a3b6476b...
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.