OpenTechnical

OT-2026-000066660

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000066660) never changes.

Identity and time

Publication numberOT-2026-000066660 · never reused
Internal UUID01a0ae8e-ce42-7b18-be4b-083478509de9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066660
StatusPUBLIC

Content hashes

Canonical textb4e6e1ec2bb1a4657b4d2cf7149786f83e1d1a6ddb3d6578234aeb64003bdaaa
Markdowndb2ae661c62230869e6c151169cef4206b27f7bb6fda9f576486d6f2fe99cab0
PDF
Publication page34af3bb4e20d1d05f3f18780180f8546124f961c4e84ed7775470c8be6ac7ad2
Manifesta52166e404d42a2c8a371104c641cdaa8c9ba7ed4e711684e4886307d0789f98

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
SignatureeHULblIUAsuW3E6eYxDJTqiQxp1dGERMUpWTdDOOf/cD+cZ20pMpwbNWw+WtRKdifXmJKQ9RJG+Sqb681E8KAA==
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

2026-09-17T10:33:02.886415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066660
observed 34af3bb4e20d1d05f3f18780180f8546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.867597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066660/manifest.json
observed a52166e404d42a2c8a371104c641cdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.847160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066660/publication.md
observed db2ae661c62230869e6c151169cef420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.826748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066660/publication.txt
observed b4e6e1ec2bb1a4657b4d2cf7149786f8...
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.