OpenTechnical

OT-2026-000034149

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000034149) never changes.

Identity and time

Publication numberOT-2026-000034149 · never reused
Internal UUID01a0ae75-df0d-7739-98bb-b890cfd1e69a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034149
StatusPUBLIC

Content hashes

Canonical text91997c64514a8c7751dc08ad208f1edf791098852be84e1ff4e5e6d89dd8bd82
Markdown9aca07336031c63e9de6d990b42003218592a15bde61af48223fc8ccb8c1d53d
PDF
Publication page133dcb3a8261ce8834c42a0809b5ba66aeeacc0492b395fa85bfb874bf2cc123
Manifestf22fa176b7f3902562164f280e6a493ac99db8f50045186faab8673728b35c1e

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
SignatureEhhrFYD33MPS7oBz0d/iMsuCSJ9rOGvbuLP12fJ4Og3bznco2C4t+csZc1ohNjLhcuWcTc7E6Lj0Cr/mOB6nAg==
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

2026-09-17T11:30:32.889622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034149
observed 133dcb3a8261ce8834c42a0809b5ba66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.871632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034149/manifest.json
observed f22fa176b7f3902562164f280e6a493a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.853741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034149/publication.md
observed 9aca07336031c63e9de6d990b4200321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.834691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034149/publication.txt
observed 91997c64514a8c7751dc08ad208f1edf...
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.