OpenTechnical

OT-2026-000079036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000079036) never changes.

Identity and time

Publication numberOT-2026-000079036 · never reused
Internal UUID01a0ae95-ccbe-7a2b-b8de-c161b58fc65a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079036
StatusPUBLIC

Content hashes

Canonical text118e45fbcae171fe7845ac56918450d65a73545aa625b9f959d09bdfee1a4206
Markdown2ecdcbc1e34d3db1349fe582743a54b749f7ea37d9dbae9bb3215b64adac5923
PDF
Publication page77a226cfe4ccd0e22c95beda04038c0266f86ac7b536924e4d3f45304e507523
Manifest37855d7f8e8334eed2e225b091e3e7d557b60e446a02c132e737234de3de8636

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
Signatureo4qNUW9ugGE1ZNiqL1hJp0pDQyFFuvaltzBpxjI0h0f6hkQXmFn/scKq1udNR+o6+1hANmG1g4P+zTEEqM1/Cg==
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

2026-09-17T10:05:52.514682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079036
observed 77a226cfe4ccd0e22c95beda04038c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.496385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079036/manifest.json
observed 37855d7f8e8334eed2e225b091e3e7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.477947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079036/publication.md
observed 2ecdcbc1e34d3db1349fe582743a54b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.458259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079036/publication.txt
observed 118e45fbcae171fe7845ac56918450d6...
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.