OpenTechnical

OT-2026-000017665

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017665) never changes.

Identity and time

Publication numberOT-2026-000017665 · never reused
Internal UUID01a0ae6e-96f9-7070-8567-2a9f477d51d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017665
StatusPUBLIC

Content hashes

Canonical text70c729aa2d5fd674ad9e959d9a40581cab218ec12f0c2263cc40ab902937a226
Markdownd215e370962e4ed8449fc1bad4f59b39e77a900ed17e553f25a33830d95f2143
PDF
Publication page6836a26cca8a8ba76e4dbad18fade6ba97b8012b4dddf0b768bdd1f6dbca6806
Manifest113a81eb34805467ab698f603a6fec18dff2309f2bac65f5cecc97611cd1d475

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
Signature8XOfXkm0h9YAE/DaOtFWB2EcooYIjKNcgl51TlQcOdWex4L1+yPkySm3A46H2PzuQA+CNYqWX1p6TBfDc5z9Aw==
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

2026-09-17T12:01:36.056623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017665
observed 6836a26cca8a8ba76e4dbad18fade6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.037902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017665/manifest.json
observed 113a81eb34805467ab698f603a6fec18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.020699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017665/publication.md
observed d215e370962e4ed8449fc1bad4f59b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.002497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017665/publication.txt
observed 70c729aa2d5fd674ad9e959d9a40581c...
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.