OpenTechnical

OT-2026-000056103

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000056103) never changes.

Identity and time

Publication numberOT-2026-000056103 · never reused
Internal UUID01a0ae87-0a4b-74f5-9e5d-fb8b71a30301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056103
StatusPUBLIC

Content hashes

Canonical textf9e6bbc9e96717fd3de73f41f24e665f793f2b0cc761f08c7d289c36bc23bc20
Markdownf162420e9129fd63a141df691be8856edbae794751cabad2cd8002627c43870d
PDF
Publication pagefcea906b843300c10783a12dcb9a6bce25844217c5d510d32845813c9ae07148
Manifest6e334f033ae662402f2661b3e5d648c8bd733344f5b74117029a18eb84f444f9

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
SignatureLAotuXaIypkOXZ6ZqiuU84/5V414v1HhUj0H+Vp/HrqR9SgaY5pn3Ofwlg1WJd3GlQ7DymcdeHA3kT5/TU4cBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:38.624806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056103
observed fcea906b843300c10783a12dcb9a6bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:38.596473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056103/manifest.json
observed 6e334f033ae662402f2661b3e5d648c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:38.577935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056103/publication.md
observed f162420e9129fd63a141df691be8856e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:38.550896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056103/publication.txt
observed f9e6bbc9e96717fd3de73f41f24e665f...
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.