OpenTechnical

OT-2026-000068994

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000068994) never changes.

Identity and time

Publication numberOT-2026-000068994 · never reused
Internal UUID01a0ae90-6dcd-724d-bcfc-82ca5c784e76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068994
StatusPUBLIC

Content hashes

Canonical textb2ee48ad87f14b13e774818936a9f936684a8e0601d50025c9d88cfc36d9f412
Markdown4cb8ab1e8d8c0865721cfb5dbce60f94da5bc25f1893c27d0344b5606dde8501
PDF
Publication pagea7db7d7ee77d7a9313af76d0e6e3abef4ce357dc3af90992665dbee47a5b4d83
Manifest1283241103525eb4a2c9b70f4c99f2966ee48ffd09677d9acc8f9e6fe3e32015

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
SignaturensCvhAKOFjHZb8fyw7cPeR6X4JHnk09X9n9hY6EYrLn5IqyQZTPesuanUUgrW3woFZwBCwlZ4A43EXKFpRTsDQ==
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

2026-09-17T10:28:50.363777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068994
observed a7db7d7ee77d7a9313af76d0e6e3abef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.344960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068994/manifest.json
observed 1283241103525eb4a2c9b70f4c99f296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.326873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068994/publication.md
observed 4cb8ab1e8d8c0865721cfb5dbce60f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.306373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068994/publication.txt
observed b2ee48ad87f14b13e774818936a9f936...
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.