OpenTechnical

OT-2026-000079844

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000079844) never changes.

Identity and time

Publication numberOT-2026-000079844 · never reused
Internal UUID01a0ae96-4376-759f-ad56-9819eef70231 · 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-2026-000079844
StatusPUBLIC

Content hashes

Canonical textf8616d76a90c109b4c362aa360c5fc913c4cc1df00c4ae245b22e5debbe1268f
Markdown4a7a8ee6362820146669e6eb876949b0cf34a78bac619998f0a00fbc83d7687b
PDF
Publication page9404c43985de81d12730c230a1b702adf668b1b5bf22e28def932e867a13f29c
Manifest4b5ea9feea81138f7320237e3ce1fb0899177b6c6ade56c5fcd8cf72ea947039

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
SignatureFkGqI9LJMtcjQcYkmpu0yToKfUQODcViE9Zi+ihCcdd+b41uWMbcBS4HnOR49r1lnKbR0F7osYb6Z0WrgjOiBg==
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

2026-09-17T10:03:43.828494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079844
observed 9404c43985de81d12730c230a1b702ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.811159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079844/manifest.json
observed 4b5ea9feea81138f7320237e3ce1fb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.792175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079844/publication.md
observed 4a7a8ee6362820146669e6eb876949b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.774794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079844/publication.txt
observed f8616d76a90c109b4c362aa360c5fc91...
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.