OpenTechnical

OT-2026-000017044

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000017044) never changes.

Identity and time

Publication numberOT-2026-000017044 · never reused
Internal UUID01a0ae6e-591b-732c-9ceb-d3205e85a89f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017044
StatusPUBLIC

Content hashes

Canonical text0677a99831675a5af5487d0d26d5e6ded872da2e77da28f02895a2325fb097ed
Markdown9e2ff4367f2aa45f47c457e67093db522ef82726e613fb29eeca415791bddc7e
PDF
Publication pagec5818f2603580c81056dba76229ba768d643e05bce60c41a5646db7b10555e53
Manifest4e191d32edf73a7e53670f26f62444bfde7585b233b1a6233c5db70791bc2292

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
SignaturecSxqP2v6Vk6W48Ai9kHd+mz7TAeG2yzmCV8P4ri3DUiTcdmMag3GHVvEQLGocMm2JtQEDSldE0+1wx9e20t1Bg==
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

2026-09-17T12:03:27.538175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017044
observed c5818f2603580c81056dba76229ba768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.518453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017044/manifest.json
observed 4e191d32edf73a7e53670f26f62444bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.496915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017044/publication.md
observed 9e2ff4367f2aa45f47c457e67093db52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.479484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017044/publication.txt
observed 0677a99831675a5af5487d0d26d5e6de...
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.