OpenTechnical

OT-2026-000080120

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000080120) never changes.

Identity and time

Publication numberOT-2026-000080120 · never reused
Internal UUID01a0ae96-4378-724d-9fd3-393758ae2c56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080120
StatusPUBLIC

Content hashes

Canonical texte31e6edc9b64bd372ad165b855867db9b19d784aae3c248e34a42e8e2ff974c1
Markdown8753c94f65d939a119731e8bdb5364c8419f10dadd1d910802b8660052dc725c
PDF
Publication page9796efae9eb8c9104476333e4f8dbc8771bf70f544db4c1b0a363058160e6ce8
Manifest92fadbe3fd3029af98c8decaee62f3a267763720b2aa7dca4f5a7483c4d7cc33

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
Signatureb5hiszF+0bAeRfczd+ikbO7smqu1IPDNaEsS6wLBRGRUfhEdLdgTHmJl2F16/4IaM95uLzgAaVtTKXZ1hD8PBg==
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

2026-09-17T10:04:03.948855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080120
observed 9796efae9eb8c9104476333e4f8dbc87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.928716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080120/manifest.json
observed 92fadbe3fd3029af98c8decaee62f3a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.910113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080120/publication.md
observed 8753c94f65d939a119731e8bdb5364c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.891148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080120/publication.txt
observed e31e6edc9b64bd372ad165b855867db9...
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.