OpenTechnical

OT-2026-000079422

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079422) never changes.

Identity and time

Publication numberOT-2026-000079422 · never reused
Internal UUID01a0ae96-0b91-7a5c-b1a8-839f8c98cfa1 · 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-2026-000079422
StatusPUBLIC

Content hashes

Canonical textecb9e52bf984e881bb4ada173eef4306e44f7f8a83ca1089d48c1718bf5b6f1e
Markdown286e42c3d0121a15014e7feb03923d8f37056e7a06aa21bb1eb167e9d0c10fec
PDF
Publication page16d9b57c31cbfb987d43764bb618ba5cbee38abe5c98b9395907433c2a68294b
Manifest0c94a77456a9aeaaa6e21516e84742eaf2c14cfeb75ec134a8b0bfb7e7566330

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
SignaturemaM29H3yrnlOOCBzzaMsMZxLu9Hm/yiW3gBOh1qsG6ST9I++/CRNJ/R5eOOznnPjXrP9cZzAnnh88flEmQ3iDQ==
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

2026-09-17T10:05:02.871564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079422
observed 16d9b57c31cbfb987d43764bb618ba5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.854692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079422/manifest.json
observed 0c94a77456a9aeaaa6e21516e84742ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.835838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079422/publication.md
observed 286e42c3d0121a15014e7feb03923d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.819613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079422/publication.txt
observed ecb9e52bf984e881bb4ada173eef4306...
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.