OpenTechnical

OT-2026-000015478

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015478) never changes.

Identity and time

Publication numberOT-2026-000015478 · never reused
Internal UUID01a0ae6d-ef4a-76bd-8bc9-acd1142376e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015478
StatusPUBLIC

Content hashes

Canonical text0e913bc3a9d942d06f576b50c908b7bb6a2886166af5d0a32bb5287c21720467
Markdown8e5160af634964cf519e92db5e57fe71382b4feb311292329364aeb7f805be58
PDF
Publication page91c7d697bd8c18b3b55a3f161a75bd81a6c0ba71c6e4af1d7f6af9b454122623
Manifest4d5882684fc7a70e8301b55d0ba7c6e33b90c1985c70abbfdb16a61b342f81bf

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
SignatureXDR2rvu99abWRkiSO6yI1yeLmkPai6LzNq4CmvtSw2epOW2oANglNGElkjAxcjc0GXBoVEQ/TxXkNK8bVs2tBQ==
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

2026-09-17T12:06:14.170922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015478
observed 91c7d697bd8c18b3b55a3f161a75bd81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.152242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015478/manifest.json
observed 4d5882684fc7a70e8301b55d0ba7c6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.133702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015478/publication.md
observed 8e5160af634964cf519e92db5e57fe71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.114790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015478/publication.txt
observed 0e913bc3a9d942d06f576b50c908b7bb...
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.