OpenTechnical

OT-2026-000035989

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000035989) never changes.

Identity and time

Publication numberOT-2026-000035989 · never reused
Internal UUID01a0ae77-01cd-73e4-82d3-14c114feb70b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035989
StatusPUBLIC

Content hashes

Canonical text649b626b903f4e92e8a0e32d06a0cdc8cdc7b653c62908136663c81d830073e1
Markdown75c91c4c9222f460fabde7d1c539895594d0914a73f26c2a5fddd20c603ecec0
PDF
Publication page2f299ce91179bc986222e75e13b8bd39d1dd5b0a8c380be276bfbb99a9cdd74f
Manifestcd74938ce06f2d4ea1444aa749a08311c75976292b2ea0ae150908b91aeb8899

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
Signature6NT/A3saGcxwnT095XNEpVWH9awyirccyDStBOmxCGWC1zXwyTJ4ND0raWWqMgjyC54YfcbiD1VG1521Vbf6BA==
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

2026-09-17T11:26:08.846870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035989
observed 2f299ce91179bc986222e75e13b8bd39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.830883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035989/manifest.json
observed cd74938ce06f2d4ea1444aa749a08311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.813300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035989/publication.md
observed 75c91c4c9222f460fabde7d1c5398955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.795319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035989/publication.txt
observed 649b626b903f4e92e8a0e32d06a0cdc8...
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.