OpenTechnical

OT-2026-000068142

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000068142) never changes.

Identity and time

Publication numberOT-2026-000068142 · never reused
Internal UUID01a0ae8f-c4ff-7d06-ad34-f44a32e999a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068142
StatusPUBLIC

Content hashes

Canonical textdc26f91999b4292594ebe07b0a32824d8b68d5a100c0fdd4b748951cdb60a998
Markdown93b8e5d3ca08436511f7974189c7dc89285d276ac9c020f5fd58d2793dbec13c
PDF
Publication page45d5b5d1aebea3bcd83573cfa6d31f803ffc9a8d2583203f95feeefab4cb66c9
Manifest3972a52ee13f498f7e6972098104f277f7e7798e94cf6cf60a4bbcc3437e46fe

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
SignatureKWyqDpIKQrQ6mZ3oPHTkeoNEAqW/L36Ob9MBflGx82Y6KUpJx7RIHH7Wb5S1ffxXRWK8H2FMzMpK6GQ9YtYhAg==
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

2026-09-17T10:30:47.412713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068142
observed 45d5b5d1aebea3bcd83573cfa6d31f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.395052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068142/manifest.json
observed 3972a52ee13f498f7e6972098104f277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.376204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068142/publication.md
observed 93b8e5d3ca08436511f7974189c7dc89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.357579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068142/publication.txt
observed dc26f91999b4292594ebe07b0a32824d...
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.