OpenTechnical

OT-2026-000030838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000030838) never changes.

Identity and time

Publication numberOT-2026-000030838 · never reused
Internal UUID01a0ae74-3fb5-7422-b7f8-4403fb0aef70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030838
StatusPUBLIC

Content hashes

Canonical text0484d59433692d47bf483712cc3eaf93c77cce67abd1b4a96937f956770a121c
Markdown44da57adfeb51d9224da3ed909f68c9b33858f5a8ff28e595fc1c857a8ba1f94
PDF
Publication pagec6eca087c2242ac114b6b7d53917945a700fecdaceb36087a645bf478e4a1644
Manifest0f76607a4a5bd60245a5d3702f419bc2c02737ff9db0fe76a1d6980c249e1f42

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
Signatureud3frH7B68TMrpenfdfvB/mDs+620LKhKtgFUHOazcyD0QCpaDYSO2dznu5+Wly7logOGXobpIdA2CxIYNI8BQ==
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

2026-09-17T11:36:48.680449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030838
observed c6eca087c2242ac114b6b7d53917945a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.663341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030838/manifest.json
observed 0f76607a4a5bd60245a5d3702f419bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.646007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030838/publication.md
observed 44da57adfeb51d9224da3ed909f68c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.626461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030838/publication.txt
observed 0484d59433692d47bf483712cc3eaf93...
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.