OpenTechnical

OT-2026-000079536

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000079536) never changes.

Identity and time

Publication numberOT-2026-000079536 · never reused
Internal UUID01a0ae96-0b92-7631-bf72-65b5193ed117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079536
StatusPUBLIC

Content hashes

Canonical text1ff4b0b9347eddf7a2c1fdbe033013658855aac5fd3c9c318e1d466c1080a2c7
Markdown9169ab1d31b5f1b66f952440fec03b5cbf85531bdfb9ed2e92f9cc95dd49ace4
PDF
Publication pageaf3ccb7a6ff25914b41dddde510616d47bd6323a4609d1ae114b10fde235b855
Manifestd046d18e5060a38e99d37c15299143282840db7030a70f66d425f27f12a81a87

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
SignatureGOZtO7ko+K3n55QiYoLNLnPYlg2vSX+6YgQ9HDJth5IxcQKRYZj0lasfgGXqkJGxI7qWfw0fjacscNdVR4xxAw==
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

2026-09-17T10:05:10.957541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079536
observed af3ccb7a6ff25914b41dddde510616d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.936805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079536/manifest.json
observed d046d18e5060a38e99d37c1529914328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.919589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079536/publication.md
observed 9169ab1d31b5f1b66f952440fec03b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.902278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079536/publication.txt
observed 1ff4b0b9347eddf7a2c1fdbe03301365...
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.