OpenTechnical

OT-2026-000043947

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000043947) never changes.

Identity and time

Publication numberOT-2026-000043947 · never reused
Internal UUID01a0ae7b-d678-78f2-b07e-011914154373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043947
StatusPUBLIC

Content hashes

Canonical textc57b2a60083b3fcfc8fe47f854455fa26f3e2921f0a1b5dc8c8a27da8305f3fa
Markdown873b02ebdfe7727c4bf4192e56760d2dd69638d4935388a1653908f462016be3
PDF
Publication pagee18255488f25d085d8ba0b8be95f3b9c5b7773da3e3ba7bb5d366dc7f9bc6e5d
Manifestd381779732babe1828e152e4f545e9688a06b9574059d24c1de0753ee4fe668a

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
SignatureMFeXlq+EAEZosVMqgBIvvCpekQfeJvs5lQukYnFc9ieFmVu/OCHSNl+G8Im50LgNS7ILdTaIv3WbLXCHkas4DA==
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

2026-09-17T11:12:18.054700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043947
observed e18255488f25d085d8ba0b8be95f3b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.035966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043947/manifest.json
observed d381779732babe1828e152e4f545e968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.017003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043947/publication.md
observed 873b02ebdfe7727c4bf4192e56760d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.996852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043947/publication.txt
observed c57b2a60083b3fcfc8fe47f854455fa2...
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.