OpenTechnical

OT-2026-000007532

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000007532) never changes.

Identity and time

Publication numberOT-2026-000007532 · never reused
Internal UUID01a0ae62-4df6-7895-8a50-1c4ddfe48a55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007532
StatusPUBLIC

Content hashes

Canonical text886e6822a600ceed12e0bdb668ac7158393d735e2789cc9ea7a437070753cc80
Markdowne2f2c87886047722a92b01cb175cb36468b7683d36b2e27a0a18d780f365c14a
PDF
Publication paged4cae12860cfe72b8b7db0687fdcdeae906b0a38fc1ac9f4bbf4055607a7ad9f
Manifest673befdd9ec7a0b6af64c40bce28e7957e3b84ab5509bbbf26b0b3f23e7f9635

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
SignaturekGqcN9W0lZHF03XFRKTWlM/onS8a/pum3j3PMgmhivXLNGxBc9y4zm6szEFSUyyOa+WAOYD8CFobgXLYB0RlDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:19.743939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007532
observed d4cae12860cfe72b8b7db0687fdcdeae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.727616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007532/manifest.json
observed 673befdd9ec7a0b6af64c40bce28e795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.675284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007532/publication.md
observed e2f2c87886047722a92b01cb175cb364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.636401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007532/publication.txt
observed 886e6822a600ceed12e0bdb668ac7158...
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.