OpenTechnical

OT-2026-000015237

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000015237) never changes.

Identity and time

Publication numberOT-2026-000015237 · never reused
Internal UUID01a0ae6d-ef48-7425-a4ee-4e25bdee415f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015237
StatusPUBLIC

Content hashes

Canonical text24611a40ed13f647ed89f7f5859d60d5339f724b1576f1cb5c39b29b74258fad
Markdown9b93fd9bc72b5a124fdb25a52a5b010931e31e8e78f8c28ee10e1be2b7bb3f98
PDF
Publication page8fe75a56d0f17ab6c774043e0b0ab5affee1d5d76c807a55b1f8fb55ed6e5b15
Manifest4d88e0656be2cc9a1704fba8319b8a4b26aa068b4ca0a323390f3bbbdcbbf686

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
SignatureLzIr+zHRIECR6v48b6jcWHI378wf6YSIDvOhHB0LqTx9b0jqimCMoTrPyD1/Aceu/6kKUorinVtt1TBXmOeqDQ==
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

2026-09-17T12:05:52.867847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015237
observed 8fe75a56d0f17ab6c774043e0b0ab5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:52.848424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015237/manifest.json
observed 4d88e0656be2cc9a1704fba8319b8a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:52.828359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015237/publication.md
observed 9b93fd9bc72b5a124fdb25a52a5b0109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:52.809478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015237/publication.txt
observed 24611a40ed13f647ed89f7f5859d60d5...
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.