OpenTechnical

OT-2026-000029654

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029654) never changes.

Identity and time

Publication numberOT-2026-000029654 · never reused
Internal UUID01a0ae73-5e23-7a11-a71c-8ab6341e5dba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029654
StatusPUBLIC

Content hashes

Canonical text2cc54a36f09456f9711ab783a39e3761242b9208f1cd82130f07053bc763f967
Markdowne739b989ad99b6e0bf21af720820cfdf8383fbf822f87947a1b9ea40f62cad42
PDF
Publication page5c47d46b4cbca571e4ec6c094db81a2041dfb70871d50edaece0f37353c8d5d5
Manifest33ae6ac8614bb6df926889c7a08f420668e74be149aca3b27901c87f51048f9a

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
Signaturegb135Oz7lYX+DwBdQFLtM4o7+oT5Kld2hf0W7yEKBgWHEO2xaJG6jCYxHZlGuz3xTUgnqcq5XQ9iaitIMtFQBw==
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

2026-09-17T11:39:22.266381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029654
observed 5c47d46b4cbca571e4ec6c094db81a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.249180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029654/manifest.json
observed 33ae6ac8614bb6df926889c7a08f4206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.232515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029654/publication.md
observed e739b989ad99b6e0bf21af720820cfdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.214179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029654/publication.txt
observed 2cc54a36f09456f9711ab783a39e3761...
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.