OpenTechnical

OT-2026-000079572

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000079572) never changes.

Identity and time

Publication numberOT-2026-000079572 · never reused
Internal UUID01a0ae96-0b92-7764-a5bc-75fc9bc3d21f · 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-2026-000079572
StatusPUBLIC

Content hashes

Canonical text8d55fb2d85c40be5873b0bb8b6bcb8981ac954f3728ab89f13b20ff4340e3091
Markdown2df8e79210057562d502539a1bd949b0d3e45b0823ea37c02a0ececfed1a3cce
PDF
Publication page2398f7605a21d7805ef5a61e0efe2b0e9167e55784498242acd9b0b7b53e3c4a
Manifeste4d1bbfb2ed6bd86fcc0c42828e6acdfbceffe16e2be36e5f692a4fc515ea8a6

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
SignatureSEXM2pfC6rEJ+7H55vJwM5Phk0RjoU0W5U0Vnl/1yYi53ybV+Gw72G6uHb/UuUSs/DwF+biHym6Jj/dDcsP/AQ==
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

2026-09-17T10:05:13.389572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079572
observed 2398f7605a21d7805ef5a61e0efe2b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.371470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079572/manifest.json
observed e4d1bbfb2ed6bd86fcc0c42828e6acdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.351907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079572/publication.md
observed 2df8e79210057562d502539a1bd949b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.332061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079572/publication.txt
observed 8d55fb2d85c40be5873b0bb8b6bcb898...
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.