OpenTechnical

OT-2026-000067280

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000067280) never changes.

Identity and time

Publication numberOT-2026-000067280 · never reused
Internal UUID01a0ae8f-6bd6-7adb-add3-e4ed4720b4af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067280
StatusPUBLIC

Content hashes

Canonical textcf61e2aa749ae1a63e0f93dbd0df33aa14fda6a6fdc5c3d08afc612cc044d332
Markdown095f585daf60a82fd0a0b162d637647532912b6fb919942c9917d4a3dedf3656
PDF
Publication paged251b192239d196393130f948f474b239be1dfa702f812e9d77fc30336d6c113
Manifest07c518d818f8f791d7b3b0f5f2b8cd3397fa3a1e46c53da9fc35c0f95be4643c

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
SignatureoEC7hllmzxXfV6V08evsyHABeOp4EyhTfV6eybUQDq9NSh3E+YOCv7FOFvmO6mkPatWvgP9K1piAhCY6b5IBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:57.778230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067280
observed d251b192239d196393130f948f474b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.760636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067280/manifest.json
observed 07c518d818f8f791d7b3b0f5f2b8cd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.743927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067280/publication.md
observed 095f585daf60a82fd0a0b162d6376475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.725390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067280/publication.txt
observed cf61e2aa749ae1a63e0f93dbd0df33aa...
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.