OpenTechnical

OT-2026-000078588

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000078588) never changes.

Identity and time

Publication numberOT-2026-000078588 · never reused
Internal UUID01a0ae95-7c29-7695-b3b9-50e981ea35b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078588
StatusPUBLIC

Content hashes

Canonical text713dc8bad0a402bbaa6054a35ae93b97eaa5ca9c3ba95eab32620b1165da12ab
Markdown5f662ba32e107d7a4a691c012c622779ba20bd0ceff9479a47f66be85c78ce11
PDF
Publication paged9520e2d50e0d64475f2d9523921abae82e0fc75c97543ba8ebf93f5e736cdb2
Manifest374dc1fcccc080f619d45f70cd213bd1d6a2128545512ac65d1fba6c8de34cd9

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
SignatureIZPgB8wMLgpNmYN6s42gOfbPxoT6E+smpqHkrI/myCrA0yHoQ6de9o+e0KOZillnOQTS5caZZEJhdTLCQ0DUCg==
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

2026-09-17T10:06:36.958932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078588
observed d9520e2d50e0d64475f2d9523921abae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.940788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078588/manifest.json
observed 374dc1fcccc080f619d45f70cd213bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.920568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078588/publication.md
observed 5f662ba32e107d7a4a691c012c622779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.903301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078588/publication.txt
observed 713dc8bad0a402bbaa6054a35ae93b97...
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.