OpenTechnical

OT-2026-000034384

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000034384) never changes.

Identity and time

Publication numberOT-2026-000034384 · never reused
Internal UUID01a0ae75-df0e-727c-ae42-01f4b743fe15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034384
StatusPUBLIC

Content hashes

Canonical text4f077bc0d3731729364b8359d6c3f9f6f67ec71a48991dbefd542a06279effe2
Markdown2a5300dca1609eecbe7622a8da33f2bbb7dea4dd07b0638884f723c7fcefd963
PDF
Publication pageebdc4db2bea52fae1a56efb14789d526d9b165ce2bfcc897ca116d2f1fb741a9
Manifest7ce188238aa55941a418cca9de0ca00d9bea2ef8ba8e30f27bed108804d766bd

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
SignatureptnU1wgj7oIKByhOSJIlBJa7H6l75tbKANDm99z3hsayzFf7ZTvldme+qMxB8PhtLwVONJ9wqJtHikGsANB/Cw==
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

2026-09-17T11:31:05.800803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034384
observed ebdc4db2bea52fae1a56efb14789d526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:05.780898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034384/manifest.json
observed 7ce188238aa55941a418cca9de0ca00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:05.759699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034384/publication.md
observed 2a5300dca1609eecbe7622a8da33f2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:05.741922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034384/publication.txt
observed 4f077bc0d3731729364b8359d6c3f9f6...
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.