OpenTechnical

OT-2026-000023161

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000023161) never changes.

Identity and time

Publication numberOT-2026-000023161 · never reused
Internal UUID01a0ae70-7267-71e0-9922-22bad17ea275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023161
StatusPUBLIC

Content hashes

Canonical text8d3739c7919fa918ed4305f0e9b810321130519d155c6d3b8799ff694cb541f3
Markdown0ac03f31b6ed7c793e04ba3fb0d0e33f9238e4d1580609a4e53648a4e4c0edd5
PDF
Publication pageb0750923b6fb46bd341d334a8cb93e09df0dbd46d3df76ed6be82c2ea2435e71
Manifest82dc11b051984597288d78180f0f8c72e399dd8dac38d1033dda42362b5fc527

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
SignaturercJKtwLbnIpfaA7Iea5eOcVJC0CBR2oFSaLUrTjpER42twII1FxNZeiIkgID50ZbiFK941dg7HnyI3VFlUAODw==
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

2026-09-17T11:51:06.082425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023161
observed b0750923b6fb46bd341d334a8cb93e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.061790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023161/manifest.json
observed 82dc11b051984597288d78180f0f8c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.042523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023161/publication.md
observed 0ac03f31b6ed7c793e04ba3fb0d0e33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.026359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023161/publication.txt
observed 8d3739c7919fa918ed4305f0e9b81032...
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.