OpenTechnical

OT-2026-000015956

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000015956) never changes.

Identity and time

Publication numberOT-2026-000015956 · never reused
Internal UUID01a0ae6e-0c4d-71c2-bda9-718e4ecf9a63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015956
StatusPUBLIC

Content hashes

Canonical text85164b85308886363cc540502345785fe43dc37c702cf828b5fb1c405485d6dd
Markdown0c974b813b1cd71f26c2f4562e18c09b9ad4a3e79f1889c117951678161e270a
PDF
Publication pagef6c3b81fabc4c62ceb84e56564deb5d72266fb7078275c0b56038632e691ee62
Manifest83029605f63ec4fd5dd79c69cb4f48cb46e4050e5ad0d0d3a7d01e6cd8f12436

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
SignatureSRBoQEvQDCx8PXGiyyCqtHEOVs04MfbkVv+FsiVBjaAtYcLT4Klp432h3EZzuUddK8X6ze0C383cg/6BQhuaBg==
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

2026-09-17T12:05:26.715694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015956
observed f6c3b81fabc4c62ceb84e56564deb5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.687781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015956/manifest.json
observed 83029605f63ec4fd5dd79c69cb4f48cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.664056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015956/publication.md
observed 0c974b813b1cd71f26c2f4562e18c09b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.634713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015956/publication.txt
observed 85164b85308886363cc540502345785f...
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.