OpenTechnical

OT-2026-000046578

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000046578) never changes.

Identity and time

Publication numberOT-2026-000046578 · never reused
Internal UUID01a0ae7e-57dd-7820-8fbd-158ae7e04187 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046578
StatusPUBLIC

Content hashes

Canonical textc13a6ac44614bdce15e403b0d0c072ab2a15c59df3c6bd05a0eaecd110a31e8d
Markdowndcbbe276981e27b371c15f781741906405c3c9db2237d5528339210f6837ab8f
PDF
Publication pagee6a67393de116578d627d7ada4db5bc7954f87c170233a807126f8d9389270c6
Manifeste40c0a3e39a1549c86f492777161b50b04622424d07d4407aa3bd44c95f07cd4

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
SignatureB92KxBF2VnO6I4dvzfo6zuHB8ehAPe0ees+x5F8GCxLPhPhap8mpTGpFE9cW8Ra6B5015sq0IqSK4TSylAQBCQ==
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

2026-09-17T11:08:38.849664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046578
observed e6a67393de116578d627d7ada4db5bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.832967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046578/manifest.json
observed e40c0a3e39a1549c86f492777161b50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.813808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046578/publication.md
observed dcbbe276981e27b371c15f7817419064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.793639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046578/publication.txt
observed c13a6ac44614bdce15e403b0d0c072ab...
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.