OpenTechnical

OT-2026-000007543

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000007543) never changes.

Identity and time

Publication numberOT-2026-000007543 · never reused
Internal UUID01a0ae62-4df6-7ea8-8d16-ef5bd6d5977e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007543
StatusPUBLIC

Content hashes

Canonical text0415410d9ce0dc04c20deb443c3c41cc736612504688ee4b818ee6189932b799
Markdowncbd674b9bda2903af2fd1258c6770c537e71d4663226b78b14ad0f9b5bbd371d
PDF
Publication page32fdb0454cfa522ef7d47ca742854d963c356262e5ddd1a19ed296735a539762
Manifest8b8cbb9789b8f85f228f1114f5e16a1f5cab61e726471f5c52af59b90c913666

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
Signature3aEoNvjoVJk6m0+GlDATCFuTbaVQHnBjKM0LS5JEp57LqPI+dilr9BgC8kzQ0dsopDSV8XzYsiEBK7yEvxX9Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:23.216107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007543
observed 32fdb0454cfa522ef7d47ca742854d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.200345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007543/manifest.json
observed 8b8cbb9789b8f85f228f1114f5e16a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.184173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007543/publication.md
observed cbd674b9bda2903af2fd1258c6770c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.167947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007543/publication.txt
observed 0415410d9ce0dc04c20deb443c3c41cc...
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.