OpenTechnical

OT-2026-000046518

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000046518) never changes.

Identity and time

Publication numberOT-2026-000046518 · never reused
Internal UUID01a0ae7e-57dd-7c80-80ba-d8f78c4d753d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046518
StatusPUBLIC

Content hashes

Canonical textc27ab1cdd191152758675411841897bf1b5a7a20c40bde7f8580ff8e63b9097b
Markdown2dd1b4f61208b41d4567e5eb68b109a864b59ac6869f74349020d98c89be8845
PDF
Publication page388b38c67e772503f2494af53d962fdcf8cc57c267a8e360cf4722cfa7e7175d
Manifest888a19115aeaf2358a86fa0a119332b064ada07a03a7e1dfc380829a9b2d4018

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
Signature5AuhSYO0POQcB7EQgI6DrASbcm0vQtQEPS1GE7Q1nso3hmSJcINwWltx+aZzyT48n1Ljz9SPW/NhqEKiesnjAw==
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

2026-09-17T11:08:33.905086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046518
observed 388b38c67e772503f2494af53d962fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.884950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046518/manifest.json
observed 888a19115aeaf2358a86fa0a119332b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.866240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046518/publication.md
observed 2dd1b4f61208b41d4567e5eb68b109a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.847629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046518/publication.txt
observed c27ab1cdd191152758675411841897bf...
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.