OpenTechnical

OT-2026-000054738

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000054738) never changes.

Identity and time

Publication numberOT-2026-000054738 · never reused
Internal UUID01a0ae86-1284-7581-b226-90ead6e9f428 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054738
StatusPUBLIC

Content hashes

Canonical textf23eee403f649d3be67d807f1d18cbb9ae37739e314ac44ac2892fdc0c2b3f40
Markdowna11bfb5165b3ca298b693f410f554b8f82f96d3c2b25f505f7bed7dc3dcbb203
PDF
Publication page4b5bf7a97a8a27d5e18f891a0f9b88b175d8f263fe6e2425fbf5d7c99fc95db0
Manifest2c3c0cd0aabf01efe2890b12ee8feaac29dabe3fb4d0718bd1e0e2ecc629ac97

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
SignatureDg6rXKSL3bTmPovbRJpqT6s3DdQUEoI5jqqnXWedb+oyVIh/LAsM11dsNi/HvUUqS3B75T0N5Zqsn0T5ngwMDA==
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

2026-09-17T10:53:55.328858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054738
observed 4b5bf7a97a8a27d5e18f891a0f9b88b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.310742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054738/manifest.json
observed 2c3c0cd0aabf01efe2890b12ee8feaac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.292620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054738/publication.md
observed a11bfb5165b3ca298b693f410f554b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.273312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054738/publication.txt
observed f23eee403f649d3be67d807f1d18cbb9...
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.