OpenTechnical

OT-2026-000080114

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000080114) never changes.

Identity and time

Publication numberOT-2026-000080114 · never reused
Internal UUID01a0ae96-4378-727f-80bd-5e92816ddbae · 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-2026-000080114
StatusPUBLIC

Content hashes

Canonical textd737f18cc900b6112e636acdd09abaab93f4c23900f52bfb3328f16eab8496fa
Markdown6395839b054ba125bb8a1efb9d8cb9cd063d12d87b05c9934adf7d4f9bf8419b
PDF
Publication page7faab50e2c384bda6ae4e4ba4648b35499e526c5b35ac5e451af013e59869798
Manifestbc7a4d8c79ea955dad762a51a0ca0a335010cd6f5748eed3b29d140af16fd378

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
SignatureEQeY5P7O5iNnx5uPqmm+FKKPQn4O6Taki2VtA2564v/IxZ2pPHhMQ4oVFh8lP2y2WSgs6KozJQd9GuwK8QlxCg==
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

2026-09-17T10:04:03.485581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080114
observed 7faab50e2c384bda6ae4e4ba4648b354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.466682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080114/manifest.json
observed bc7a4d8c79ea955dad762a51a0ca0a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.446556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080114/publication.md
observed 6395839b054ba125bb8a1efb9d8cb9cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.427103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080114/publication.txt
observed d737f18cc900b6112e636acdd09abaab...
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.