OpenTechnical

OT-2026-000029014

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000029014) never changes.

Identity and time

Publication numberOT-2026-000029014 · never reused
Internal UUID01a0ae73-2a9e-735c-9956-5b694f7527a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029014
StatusPUBLIC

Content hashes

Canonical text87b2f18c836c3ce73431430295d689dbf957e8e3f70554a830236ccb5bd18dc5
Markdown5ceb266e70e906dfa7454cf9abd835353f5c3f4f7e5afac423df32fa19056a56
PDF
Publication page859cb0c424968118cb36c250ba97c74855620515e2eaa43439766ec0489e2b28
Manifest306d3e12cc75a5674d8996bed85b1ede4f1de603bd53fc6f2708a766aaf64a9b

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
SignatureBAL2caQx4RhlSEoTU+3W21iMNXKitR/XWu9t/HSfJtKIv3xMQtnE3g0eJxjGaEjKlZFHHeZqHyYZeAtoFBQdDA==
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

2026-09-17T08:20:35.272564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029014
observed 859cb0c424968118cb36c250ba97c748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.250844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029014/manifest.json
observed 306d3e12cc75a5674d8996bed85b1ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.232277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029014/publication.md
observed 5ceb266e70e906dfa7454cf9abd83535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.213642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029014/publication.txt
observed 87b2f18c836c3ce73431430295d689db...
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.