OpenTechnical

OT-2026-000014848

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000014848) never changes.

Identity and time

Publication numberOT-2026-000014848 · never reused
Internal UUID01a0ae6d-d094-78e9-b03e-529b2ae4863c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014848
StatusPUBLIC

Content hashes

Canonical text7e9bc8d255d1458d934f796c9a0e525d4c3434946b9d8f808989e90978e35e88
Markdownfe765dcf019e8ffe05740b4a31dd5f2c6e43b0ed2a85cba1ad06df3245aff979
PDF
Publication page054a153a7f3a5a05c827e5d6a19070daee3dbd8c9643d5362ccaaa2d3f62aa33
Manifest72a1ef4fc8fef0b9b71f1844efec015990b4863367a29eb68552e67af82e9f00

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
SignaturecvRjrgdj0Z00zAo5//fBTYuMKKbTQpn5HjGd247BgvYO+T+JZSoej7OK9gQz1s6kUqMXUoKwTjkjbzvapTnqAw==
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

2026-09-17T12:06:45.621827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014848
observed 054a153a7f3a5a05c827e5d6a19070da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.605024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014848/manifest.json
observed 72a1ef4fc8fef0b9b71f1844efec0159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.586709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014848/publication.md
observed fe765dcf019e8ffe05740b4a31dd5f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.568321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014848/publication.txt
observed 7e9bc8d255d1458d934f796c9a0e525d...
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.