OpenTechnical

OT-2026-000083128

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000083128) never changes.

Identity and time

Publication numberOT-2026-000083128 · never reused
Internal UUID01a0ae97-c962-7d99-a3ad-4108feeb3fed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083128
StatusPUBLIC

Content hashes

Canonical texta18eb55be5337ab7f9040a57a0d4e140a6a51dd5784dbd4ca00edac773eb6dd4
Markdownd05e7d661cf3b063b0d3d68ce56f941f350c080e295c02fe4d2dc3f9eb4a9be4
PDF
Publication pagec008564a7628d4b85fbd345228363808de1be9fbb0bf67209872d7d84dd80adf
Manifest86f3c89a5b9e69d4364e5490382d71d72305f96b9909744eec5a35e3aac5e85f

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
SignatureHJvlPNHTEIlmHQV60qubNzeAuR9GVfsq4HTQYxqMFvfR+Q/rsL0VpyZtRFg1L18o8KRnMEwI8E5eapnh0UaaAw==
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

2026-09-17T09:00:45.332599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083128
observed c008564a7628d4b85fbd345228363808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.313620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083128/manifest.json
observed 86f3c89a5b9e69d4364e5490382d71d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.168780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083128/publication.md
observed d05e7d661cf3b063b0d3d68ce56f941f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.148213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083128/publication.txt
observed a18eb55be5337ab7f9040a57a0d4e140...
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.