OpenTechnical

OT-2026-000044488

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000044488) never changes.

Identity and time

Publication numberOT-2026-000044488 · never reused
Internal UUID01a0ae7c-39d8-7fd0-be77-8a71aacfe90b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044488
StatusPUBLIC

Content hashes

Canonical text172d3fed350c59f8e66b6279de7fd5941689be6c74fdc722fcb698a32af5a54c
Markdownd07c6b72912516c841d5ad3146e60bf4acea47a7fe67c89286f52bcff39bcfb1
PDF
Publication page01eb561f7f28a14971dc68702a1a8eded2b9ba8dfefb69cd34bfefab72b167ba
Manifestfc1774f0712ba8fcb7c3a79b0296cd342755fc91f1562ba6e4e1ba5804d1635b

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
SignatureDI+TOJFRfEqCEoJ94pFLOTkARYHqXOrRxDBnjDwlTiqvYim2H75WnRkWlV2mUrwslJogxhCiNylk/uEuD1NEBw==
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

2026-09-17T08:30:56.273189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044488
observed 01eb561f7f28a14971dc68702a1a8ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:56.255171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044488/manifest.json
observed fc1774f0712ba8fcb7c3a79b0296cd34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:56.237004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044488/publication.md
observed d07c6b72912516c841d5ad3146e60bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:56.218261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044488/publication.txt
observed 172d3fed350c59f8e66b6279de7fd594...
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.