OpenTechnical

OT-2026-000058940

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000058940) never changes.

Identity and time

Publication numberOT-2026-000058940 · never reused
Internal UUID01a0ae89-479f-7c08-b081-c0a09bd940a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058940
StatusPUBLIC

Content hashes

Canonical textcfcff845b4dff00e7bd1ac8a04c343df88e270d51a36c106e3b7687def701818
Markdown29c10f1efdd411e719e466d78410bf45ac426e0a4982b04fa315cf6bd4f0efde
PDF
Publication page62ca1488b38482e283d22bb43d3ee9f71438d298a6ebd9261ae957a437666a14
Manifestcf51e1fe40a8c7400cbad58f6a4cbb135c2c38129c18b012db0956753b40567c

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
SignaturePBzQOwfTm1Ua9RJDh8EmcZlohzA63Phav0nsYNR9b5ssrpg/vvXPxpXPJ4Eu+mN0pUSuoP/41rg5KzONapxiAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:30.858141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058940
observed 62ca1488b38482e283d22bb43d3ee9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:30.842377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058940/manifest.json
observed cf51e1fe40a8c7400cbad58f6a4cbb13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:30.824503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058940/publication.md
observed 29c10f1efdd411e719e466d78410bf45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:30.807593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058940/publication.txt
observed cfcff845b4dff00e7bd1ac8a04c343df...
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.