OpenTechnical

OT-2026-000038913

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038913) never changes.

Identity and time

Publication numberOT-2026-000038913 · never reused
Internal UUID01a0ae78-769f-710c-9098-201795ccb0dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038913
StatusPUBLIC

Content hashes

Canonical text20ff67bd63947d970451f99d6d97ca04563202a272ec534d59852d56f84187af
Markdown02ad4d6f5bc4480af62482b672174006644d5d890a17b70a5c34c3eb3c5880eb
PDF
Publication pagebcc2f989654b4cb88173d07d29cef7cc3187bc894abace53b6cdca312a804d23
Manifest9402e813408360336e8f8c5c9dd3069cd51b43d926cdd04d7af9d9cc975a5c0e

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
SignatureO8Iae2Qdikj1e1Yz67MRcLX5F2KtkTpWC16/zWX+B0Exad4MWgpsLr5Ej48M2DyV0YYZbXA9bDWql3o/azhoAw==
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

2026-09-17T11:21:35.203885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038913
observed bcc2f989654b4cb88173d07d29cef7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.186463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038913/manifest.json
observed 9402e813408360336e8f8c5c9dd3069c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.167903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038913/publication.md
observed 02ad4d6f5bc4480af62482b672174006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.149725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038913/publication.txt
observed 20ff67bd63947d970451f99d6d97ca04...
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.