OpenTechnical

OT-2026-000081150

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000081150) never changes.

Identity and time

Publication numberOT-2026-000081150 · never reused
Internal UUID01a0ae96-b977-7739-87f4-8aaf1c667474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081150
StatusPUBLIC

Content hashes

Canonical textd10f592c0a29b59b7884d93c3897a46912477dac85fe63a0a8bac64557589444
Markdown48ffd2a88ebd5de7a9dc05a0414a50970a7aaee216268c01c1643d583bf91ee8
PDF
Publication page4136dc3c140e941614369a36e9816d15b621e1417c3a4d115dd1d718c78fb540
Manifeste9be134236754d86f2a9d4b295f5958db8e0190807150d548915683c099f5a99

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
Signature5xAxh0xS4SRFqLlhUsp1bhuscprvNALRDnlpLuLYOjBYOTLgUKBPowmoOxdcBPqekSQ2OkPkmo3fTcrDRTsWDw==
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

2026-09-17T10:02:32.450766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081150
observed 4136dc3c140e941614369a36e9816d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.432689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081150/manifest.json
observed e9be134236754d86f2a9d4b295f5958d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.416371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081150/publication.md
observed 48ffd2a88ebd5de7a9dc05a0414a5097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.399302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081150/publication.txt
observed d10f592c0a29b59b7884d93c3897a469...
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.