OpenTechnical

OT-2026-000066128

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000066128) never changes.

Identity and time

Publication numberOT-2026-000066128 · never reused
Internal UUID01a0ae8e-8dc3-772b-b92d-b6d5ebdc2c8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066128
StatusPUBLIC

Content hashes

Canonical text432a3bdb75cdd88a08f7dc626102c0339cef739f3e3ea16ad250ca17274969e5
Markdown729c603df71ca07d921e14a85630238dd68feb4a2cdddbe871ac1b58ad193e62
PDF
Publication page74414e72e1ad3778fc010222b7429b287ca39761feaeefc39187d550add8363b
Manifest09959de015362f22c496e1595455089071beb02f387d5243078f3629bcc358f6

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
SignatureHZFD6BHxRZvmk64J3DBYM4l8sfBB0sL+Ox5amXywoLikhYGJ7OT+dSA5F1ZKPLl+FZqTiv1n7pMcfOcFxIspBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:51:00.551692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066128
observed 74414e72e1ad3778fc010222b7429b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:00.516314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066128/manifest.json
observed 09959de015362f22c496e15954550890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:00.283923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066128/publication.md
observed 729c603df71ca07d921e14a85630238d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:00.264929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066128/publication.txt
observed 432a3bdb75cdd88a08f7dc626102c033...
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.