OpenTechnical

OT-2026-000099016

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000099016) never changes.

Identity and time

Publication numberOT-2026-000099016 · never reused
Internal UUID01a0aea2-8287-7483-b8e4-26e4ed354f19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099016
StatusPUBLIC

Content hashes

Canonical textf0fa63658f8d04300150e631b55f53b49b5f5a3d0cc4bee2f20cf8393705e706
Markdowncdb48ec000375feb4e2925be019e158191c9fb1963ce29d36ddfbce17edfe585
PDF
Publication page2ab0f4dbd8fb3178b91236e8e7c2232256ce919c384622816954116d5b5a144c
Manifest7d549449d5fcf68c423c28b63b8001eb5b903aeb801fadec754dd8d3ff65b992

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
Signature9r2ix8JRqpNg2JBtgFZJ+5doZHMNc/HehPRLNctpcDRRPTAnWxMXznKgoS/nrd30YsTUrvpj/IJBAvYXjSggCQ==
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

2026-09-17T09:30:06.257004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099016
observed 2ab0f4dbd8fb3178b91236e8e7c22322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.239512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099016/manifest.json
observed 7d549449d5fcf68c423c28b63b8001eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.219467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099016/publication.md
observed cdb48ec000375feb4e2925be019e1581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.199557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099016/publication.txt
observed f0fa63658f8d04300150e631b55f53b4...
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.