OpenTechnical

OT-2026-000036995

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000036995) never changes.

Identity and time

Publication numberOT-2026-000036995 · never reused
Internal UUID01a0ae77-7740-7308-98d8-1b049aef54dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036995
StatusPUBLIC

Content hashes

Canonical textbf35a5e803dca1609b4e44d04f0e02d32bf4f9e4c4d9ec0a00facb6ada88ac26
Markdown83617042b26a19997ef3706c21096940c9b11b1e09844b4e4eedfc204309c68e
PDF
Publication page3d9939bd8e01b7ef5a533ba129299dee0f4326be70775d557cb568b46f8ecbf7
Manifest450bb08dc0e4ccc8818a8ffdc00d457be8370878856a02439cdfeee7b632d3ca

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
Signature5HCj1QqxzzQr7gvXuzHz/WFOUMH5u0FojHJk0LrLUT6JKf5yJmcpLYB0RQ1ltSCtk3BER21Lz/M6jy+RZsRsAA==
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

2026-09-17T11:24:39.613407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036995
observed 3d9939bd8e01b7ef5a533ba129299dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:39.596033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036995/manifest.json
observed 450bb08dc0e4ccc8818a8ffdc00d457b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:39.579871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036995/publication.md
observed 83617042b26a19997ef3706c21096940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:39.563108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036995/publication.txt
observed bf35a5e803dca1609b4e44d04f0e02d3...
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.