OpenTechnical

OT-2026-000018171

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000018171) never changes.

Identity and time

Publication numberOT-2026-000018171 · never reused
Internal UUID01a0ae6e-b488-738b-860e-14db43805938 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018171
StatusPUBLIC

Content hashes

Canonical textecb7cbb8f006b9abef8a357b3b9fbd08fddc0c972d8dbd56ceb449f46c4d6796
Markdown7cb4e39b1ad2a92b518f45979b706e435f4fef4556f71de6d2698e4e91eca24f
PDF
Publication page69d5a74671b646d912b5e9d2d05585411abac5cebef1893bd0196c573d5714dc
Manifest4b6ed22acf93a90b01a400bbbe0038e8d7055a6fc4179b1a8b0529fccc7e70b1

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
Signatureh6JSUKvzqFk+O28yI2P6Zi3FPZDZDWVydqWIWczjEIgiV9ErrTn1HnaGZIwu/L5P1GM0GWtihDn/cPjrnfDbCQ==
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

2026-09-17T11:59:56.546315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018171
observed 69d5a74671b646d912b5e9d2d0558541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.526373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018171/manifest.json
observed 4b6ed22acf93a90b01a400bbbe0038e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.506500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018171/publication.md
observed 7cb4e39b1ad2a92b518f45979b706e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.488854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018171/publication.txt
observed ecb7cbb8f006b9abef8a357b3b9fbd08...
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.