OpenTechnical

OT-2026-000056713

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000056713) never changes.

Identity and time

Publication numberOT-2026-000056713 · never reused
Internal UUID01a0ae87-7af6-7b4e-a724-2ac8cbf03213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056713
StatusPUBLIC

Content hashes

Canonical text8bfc226f97dbcd9967ae7b9820ec062e4fdf86a4caf8282b75c29acb8aa531b4
Markdown154316b33f604e9ff82da7ce33239cc26ac3cf19d94b3c70e3baaf4d424d08df
PDF
Publication pageeadbb118e14f8aad9d21eac03a4072f5f2d7c8b0d28448944251f6396f8b06f0
Manifest7c63b96ff3d155294d4e1381ed0da343c8aadb492128b6e6b4e890275e787ad7

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
SignatureJsz4BoJrP5Lqk6N0/xMxU+GtTay8ATCQngLvtAaLf/p/gMFMi4LaakAVySMsfAUTS8eJfb12oIivtFKbPZaPCQ==
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

2026-09-17T10:50:07.374878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056713
observed eadbb118e14f8aad9d21eac03a4072f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.354839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056713/manifest.json
observed 7c63b96ff3d155294d4e1381ed0da343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.335893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056713/publication.md
observed 154316b33f604e9ff82da7ce33239cc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.316156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056713/publication.txt
observed 8bfc226f97dbcd9967ae7b9820ec062e...
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.