OpenTechnical

OT-2026-000067372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000067372) never changes.

Identity and time

Publication numberOT-2026-000067372 · never reused
Internal UUID01a0ae8f-6bd8-7711-81ed-9adee9724f83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067372
StatusPUBLIC

Content hashes

Canonical textef378b8c85b1fd785b1c704cfa6c2c19c3411ac1ec3ccf7441196c27c93dbdd4
Markdownb6df24877ac6e0f9d386e26976d3daee4496740d1d899878aed39b63ab04a8c4
PDF
Publication page7f67ef83eafcd572a239a905e5ab08b0ec9db29093d016cb6d356b616cc133ad
Manifestde3db5df6075ce46fe03a6779a3a0a0a72a48c37938d00e72327125ae4c084db

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
SignaturevUapP8xNi0SttE7TE35cQUkGi8TXbgLiyS/BhNaX3+/7ovY3zZ2cjj7F2U8xRrlDT1s3372YFwLiiIqHWO7GAQ==
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

2026-09-17T10:31:33.547067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067372
observed 7f67ef83eafcd572a239a905e5ab08b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.530908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067372/manifest.json
observed de3db5df6075ce46fe03a6779a3a0a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.514903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067372/publication.md
observed b6df24877ac6e0f9d386e26976d3daee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.497459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067372/publication.txt
observed ef378b8c85b1fd785b1c704cfa6c2c19...
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.