OpenTechnical

OT-2026-000015037

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000015037) never changes.

Identity and time

Publication numberOT-2026-000015037 · never reused
Internal UUID01a0ae6d-d096-7acc-9d27-d0d08527d010 · 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-2026-000015037
StatusPUBLIC

Content hashes

Canonical textd3161689f7f143790241b278956222b7b9845fcc6d325b84ec0dd3d7552a45ad
Markdown881ed90cbff9b30a9c9bb28389abeede2b9994df1d5033874303e8dae447191f
PDF
Publication page7e428b277c7f19bc113b0b927603adc6dd72545bb152f07c6d87892b85d94a67
Manifest733c05db9c9286abac684c8e60257e5de98ac7107f522ebb045b02856afc127f

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
SignaturebZmyn9Z+uqCEFuD3gRXmOgfJW9N6VNvAzVc2VvAZg3ulYRLVew0thmT6fnSQij1a1yzCRAuBLSUwCzQtRP3ODQ==
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

2026-09-17T12:07:01.058211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015037
observed 7e428b277c7f19bc113b0b927603adc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.038501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015037/manifest.json
observed 733c05db9c9286abac684c8e60257e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.015549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015037/publication.md
observed 881ed90cbff9b30a9c9bb28389abeede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:00.997199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015037/publication.txt
observed d3161689f7f143790241b278956222b7...
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.