OpenTechnical

OT-2026-000012496

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000012496) never changes.

Identity and time

Publication numberOT-2026-000012496 · never reused
Internal UUID01a0ae6d-39f7-7dc4-9465-f314fbb011fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012496
StatusPUBLIC

Content hashes

Canonical textfe436e20cdb6e70371dfeeaf58c83dce8ba4d687823bac886bc80530de4bbdbe
Markdownea078234eb6e0b8aaac1ce171569815f406f6213f9baabaf7aaeb94c5d93a6a9
PDF
Publication pageee6ff1455c1e1cba96713fd9253bbe7e381afb2184d2bcd13bddff09707064b4
Manifestecea7d9627f3bdecbe7a76cfc1199244efc96db640a01f093528007c53b2023b

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
SignatureXm1ROjCuYgItHfKi2X+mZPEguYt9SWIIU3W3QrlQluzjHuMXD06MLyX0sEdDB3zmhVOvMb0QDTsMQMxKw6PcBQ==
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

2026-09-17T12:12:00.805433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012496
observed ee6ff1455c1e1cba96713fd9253bbe7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.786043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012496/manifest.json
observed ecea7d9627f3bdecbe7a76cfc1199244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.766875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012496/publication.md
observed ea078234eb6e0b8aaac1ce171569815f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.746883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012496/publication.txt
observed fe436e20cdb6e70371dfeeaf58c83dce...
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.