OpenTechnical

OT-2026-000089005

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line 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-2026-000089005) never changes.

Identity and time

Publication numberOT-2026-000089005 · never reused
Internal UUID01a0ae9b-8f12-72a5-b441-b1b749a6ebdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089005
StatusPUBLIC

Content hashes

Canonical textff889d41275a09bc3c014d6b4188db6eb583ee0f572bde783aa7821f0227e812
Markdown4209501692d5a0213bfb911240bca0620858e20300252f5619699ab4b0e154d6
PDF
Publication page16da2d86637705307bbc4e83753463afe8f5ea34e6f59415b7b126edf83cbcb3
Manifest1e4ff41aeb103a1f8f6ca8fc0f19a5af8b7d83508bc24d4f94bab3ad4126deec

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
Signature4sqmSbnKMOSYDk15XYfgNhopF0R6EPRMBXbq7re+g5QQnweH0qvpuZFfpvfrKwEenln7M97v2Q8DGpMXt1o0Cg==
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

2026-09-17T09:48:30.490214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089005
observed 16da2d86637705307bbc4e83753463af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.471031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089005/manifest.json
observed 1e4ff41aeb103a1f8f6ca8fc0f19a5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.454378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089005/publication.md
observed 4209501692d5a0213bfb911240bca062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.435858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089005/publication.txt
observed ff889d41275a09bc3c014d6b4188db6e...
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.