OpenTechnical

OT-2026-000047785

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000047785) never changes.

Identity and time

Publication numberOT-2026-000047785 · never reused
Internal UUID01a0ae7f-c420-7a09-81df-198846fa20ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047785
StatusPUBLIC

Content hashes

Canonical textdbfc60264d4f21866e9988c9b2552789abb9d7a5fa0364594c0186bd9fc8bb20
Markdown3fe0e73e7558fc855edb047ff9d0d29cc31bbf211945ef20a5cde9509093ebcc
PDF
Publication pagea682b72226444ecdad68449ca94d42280d3daa3108a83c933adc3c0609843058
Manifestc8608747c350e9d2b418e224ed6b388f6b34f2784164ebaee42148330ff22372

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
Signature4Pyrw05jEv+4r14v2WhE7u6rAriDgiEVvCOsn3kb+ZcjetSVPuh+WEvNifscpJ+MZwTverHNfyUf153LnLp4DQ==
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

2026-09-17T11:05:40.875347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047785
observed a682b72226444ecdad68449ca94d4228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.858217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047785/manifest.json
observed c8608747c350e9d2b418e224ed6b388f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.841168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047785/publication.md
observed 3fe0e73e7558fc855edb047ff9d0d29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.821947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047785/publication.txt
observed dbfc60264d4f21866e9988c9b2552789...
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.