OpenTechnical

OT-2026-000025202

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025202) never changes.

Identity and time

Publication numberOT-2026-000025202 · never reused
Internal UUID01a0ae71-5fa6-7505-8eab-cdf7affb4d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025202
StatusPUBLIC

Content hashes

Canonical text85a3a22a5d97331828ea6a6a7543859f165f2e4fbfe63ffeddd106f68af9170d
Markdown60a9c1909898bfd76e055bfe15236243b8eaa8958d24533aa06c3bf8bc18d42e
PDF
Publication page318088dadcd571ec433ff2178e82bb87059f80138be342785d8757632ba593ee
Manifest978f1c40165f48ab54cbdd0cec1d8fc1610dfd3375ca878509c372e53d620fd0

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
SignaturetzpRN6Kjc1NfahG/sHq/24p9te7TqqjfDg7AUk76VF5mfB/GZrWMgCVLWb/TC1OvmKXv47fo391qpPSukQFiAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:11.542395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025202
observed 318088dadcd571ec433ff2178e82bb87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.524018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025202/manifest.json
observed 978f1c40165f48ab54cbdd0cec1d8fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.505814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025202/publication.md
observed 60a9c1909898bfd76e055bfe15236243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.485959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025202/publication.txt
observed 85a3a22a5d97331828ea6a6a7543859f...
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.