OpenTechnical

OT-2026-000092115

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000092115) never changes.

Identity and time

Publication numberOT-2026-000092115 · never reused
Internal UUID01a0ae9d-8759-7cd0-bbaf-935d026ce3a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092115
StatusPUBLIC

Content hashes

Canonical textedce43f02a7f06c2538f2534aae9ca04dd0ef23b9c986f62daa27ea733770295
Markdown3467774af64fd5a454180801e58730b4aea836fa4c496e64804dd51fbfc1d828
PDF
Publication pagebb5d9b81d1f57816ffe2b8977e4f7d35ac62ff2b5fd8c49e8f178d8db1388ff1
Manifestf4236ef25793cdb4cc371cc17ad669be1782b288f771678ead91340444ac7d42

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
Signature9TqYUQYKAZNJ5a9DSInv2pGMTYzNBaw4NvyTGoYPdxHNURSblLVLTG0TbzaK3ChiRI4efUSTzONlzYO/iI4TDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:34.809738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092115
observed bb5d9b81d1f57816ffe2b8977e4f7d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.789660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092115/manifest.json
observed f4236ef25793cdb4cc371cc17ad669be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.771871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092115/publication.md
observed 3467774af64fd5a454180801e58730b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.754774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092115/publication.txt
observed edce43f02a7f06c2538f2534aae9ca04...
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.