OpenTechnical

OT-2026-000078150

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented after 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-2026-000078150) never changes.

Identity and time

Publication numberOT-2026-000078150 · never reused
Internal UUID01a0ae95-6e8c-7063-b0a2-e06a7e870ea0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078150
StatusPUBLIC

Content hashes

Canonical text5a921f261fdeccdda445dcb80524840c4bbbf8fa8f55908ace3091f6bdd1177a
Markdown3685fa27979d39d8b4a72d24529d2ba100da0617ef0c38d9eec34284786dd000
PDF
Publication pageb72b4eb6afaf5a4cf6908df97cef4b437407f812743e7668d2322c4c76456a06
Manifest8efd4a918fa328893d45e56192b074390749a949073fa9b6209bfe69393ca043

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
SignaturejIVMBpwtYiK0+m086DTalhaRqHbvViQoXYyNoXZTbTmra37rTpfNUj142HdkX7CGSNaE8ZrlbCX+4hTGxgGSAg==
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

2026-09-17T10:06:44.183713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078150
observed b72b4eb6afaf5a4cf6908df97cef4b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.166118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078150/manifest.json
observed 8efd4a918fa328893d45e56192b07439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.148284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078150/publication.md
observed 3685fa27979d39d8b4a72d24529d2ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.128333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078150/publication.txt
observed 5a921f261fdeccdda445dcb80524840c...
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.