OpenTechnical

OT-2026-000104301

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000104301) never changes.

Identity and time

Publication numberOT-2026-000104301 · never reused
Internal UUID01a0aea5-3420-76e1-99d3-6abece2d0b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104301
StatusPUBLIC

Content hashes

Canonical textb5cc28090fa30b3d6b9b08772da3afa52db49ae7d46659ad4dcd478d58a750d4
Markdown073ef5e64ae474abfd6c3942d9c27cfc64e594683072b94359889380fede09b1
PDF
Publication page9ec23d419764940cf09400d3718657aba5f713d188f24c88dfc354ec085a48da
Manifesta06f51bc4c85bc7fabe525b68513d33fa931804c3bfa7a3ac77d2bfe4b8241b9

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
SignaturegHHsDo7Z9PK+S7J7fvbW3Hjb/NUy0TuJ2lJ7Juy2teWUcQUQJDKVYqlBNcoV/wN+gVSr0sSe9WLHXlvEFeM0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:32.783385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104301
observed 9ec23d419764940cf09400d3718657ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.762812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104301/manifest.json
observed a06f51bc4c85bc7fabe525b68513d33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.743419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104301/publication.md
observed 073ef5e64ae474abfd6c3942d9c27cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.724677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104301/publication.txt
observed b5cc28090fa30b3d6b9b08772da3afa5...
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.