OpenTechnical

OT-2026-000057441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057441) never changes.

Identity and time

Publication numberOT-2026-000057441 · never reused
Internal UUID01a0ae87-d5c7-729e-a751-c53893f2baa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057441
StatusPUBLIC

Content hashes

Canonical text85f3fd3ad0d8e7a0fd89364619d30e06e2c794ff8d3efdad749c791284566db4
Markdown9e9d0e18cd91225ecbe46fcf4c46e5f66f56a0b3ce1f79003368bdeaa6667bd6
PDF
Publication page6666e49fa3e44a86d46bee3bbf0c919545ef2dcd36115c7efd5deb65ab37290d
Manifestefabe2b7addb5e2831ada9e74e5806266639ed7f49bc77aa2a60b1a9608a50bb

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
SignatureP7ppCSySXNzWYrwM8oTEquqFAuvP+K69TE+EocDpBLsTndmtG61vKRV79xCztSn418mFW1+I9td9qFR0uVSQDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:44.145236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057441
observed 6666e49fa3e44a86d46bee3bbf0c9195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.125994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057441/manifest.json
observed efabe2b7addb5e2831ada9e74e580626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.103909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057441/publication.md
observed 9e9d0e18cd91225ecbe46fcf4c46e5f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.084636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057441/publication.txt
observed 85f3fd3ad0d8e7a0fd89364619d30e06...
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.