OpenTechnical

OT-2026-000075064

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000075064) never changes.

Identity and time

Publication numberOT-2026-000075064 · never reused
Internal UUID01a0ae93-ac2e-7aeb-9a34-044d6847cb7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075064
StatusPUBLIC

Content hashes

Canonical textdcfe5f084e6a8126bf567a8487990d01f6bcace1639e3ec8c6692c89d9dfe98b
Markdown9471898038dafbd8cb41293be403671d1b67acb77a1f6101fa00e65d0924ebd0
PDF
Publication pagebaf7ec9c88b50a51783853094ccf319eede416fade084e0bbd4b97741a394835
Manifesta6117ede160c04a64dc6e06aa6ea9e7d57254ac767fb042dd4ef06c669e215d7

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
SignaturecGnzpG6Hoxq1zj1bbkMhRs4cvIR5YbvNrFtfxK5iikzPDwr3hJqr+IK1fGm2gObU03DBDl0hkl47xGJr4ItQAg==
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

2026-09-17T10:18:53.041266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075064
observed baf7ec9c88b50a51783853094ccf319e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.024090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075064/manifest.json
observed a6117ede160c04a64dc6e06aa6ea9e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.006632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075064/publication.md
observed 9471898038dafbd8cb41293be403671d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.990630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075064/publication.txt
observed dcfe5f084e6a8126bf567a8487990d01...
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.