OpenTechnical

OT-2026-000041002

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000041002) never changes.

Identity and time

Publication numberOT-2026-000041002 · never reused
Internal UUID01a0ae79-b10d-76e3-b62d-33537c54236a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041002
StatusPUBLIC

Content hashes

Canonical texta58fa601f7a28f2bc04bc6b24abc57a138b2cc933bf9fa225b5904d7d4c3e118
Markdown130faf4cc702249c2bad3e3a05003d8e07cdc0c624a446ef1870bbb5162a2068
PDF
Publication pagefb82b744ecd2e54bde8bd80032fbb8f7b8fe848e0fc8a2a8ebdd4cc158d61547
Manifest938a0524ffa0e9f7159a85e87023d55f3eb26c4805f7581645e9479b5b2030e1

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
SignatureP1w7ez+o18RmCcafUHCcudc3kx5D1eLFj7I8igY0hjm7yVkXexrL+14F1FwXllipB/4qBDwkwl0k7NWoo6xqBg==
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

2026-09-17T11:16:54.442971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041002
observed fb82b744ecd2e54bde8bd80032fbb8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.426284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041002/manifest.json
observed 938a0524ffa0e9f7159a85e87023d55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.409793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041002/publication.md
observed 130faf4cc702249c2bad3e3a05003d8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.392431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041002/publication.txt
observed a58fa601f7a28f2bc04bc6b24abc57a1...
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.