OpenTechnical

OT-2026-000027354

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027354) never changes.

Identity and time

Publication numberOT-2026-000027354 · never reused
Internal UUID01a0ae72-6997-703e-b936-043b63459ebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027354
StatusPUBLIC

Content hashes

Canonical textc2e718c9e74637131126354a26163446ddab87fdb23d3662f8bb612a2f9fb828
Markdown2c348f2346d8d772e5fb5432fa5dcdcfccc24a245602105a8c7d4b718a716101
PDF
Publication pageb1715b4c4a96560dd9a56fe10a6e5a1b7be8a94edb1bb4e97c81b08f1a6a3ee5
Manifest4fa319deb557d1ac2bfbfa25bdea9279753022ffc047708655ef48c9529d5c30

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
Signaturehjnvu5miACi3qToi6CgZ8LgW+6nhuZ9j6ED7ZisfxWMNJQC7v+VbAcVPCouDY4hi5OMkpXSW4Z/nK4/cliHCCQ==
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

2026-09-17T11:42:45.866476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027354
observed b1715b4c4a96560dd9a56fe10a6e5a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.849346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027354/manifest.json
observed 4fa319deb557d1ac2bfbfa25bdea9279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.831975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027354/publication.md
observed 2c348f2346d8d772e5fb5432fa5dcdcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.812470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027354/publication.txt
observed c2e718c9e74637131126354a26163446...
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.