OpenTechnical

OT-2026-000053137

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented before set-down, on a tool changer

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-2026-000053137) never changes.

Identity and time

Publication numberOT-2026-000053137 · never reused
Internal UUID01a0ae84-a432-7378-9ec3-f0d5e0435b06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053137
StatusPUBLIC

Content hashes

Canonical textaa6b2d30ea0f0a5b48116334169c0c0e263e6d2bd60fc3a233873ad5c3d3ac44
Markdown4a107d796887cd235353d5160fc43537ab1f6305dd1abf995238d87133ea7cb5
PDF
Publication page98b28f324a085195c752881df3c387a172e0cc3c0edc08cc69d11f2f713e6cac
Manifest497775ffe442e80b3e187b4e0b292f1a521ab4ecb23d2cf4ca1b9235e0eabe09

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
SignatureeW14ZKSMwr8ZP8LI53rnZeVf70RqvvZGoOdyPqrxYS9BkjveGNPQs8+6rxGii1S2I0QdAUe1P/g5ZXoXj0wFBw==
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

2026-09-17T10:56:52.134094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053137
observed 98b28f324a085195c752881df3c387a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:52.117040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053137/manifest.json
observed 497775ffe442e80b3e187b4e0b292f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:52.099934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053137/publication.md
observed 4a107d796887cd235353d5160fc43537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:52.081434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053137/publication.txt
observed aa6b2d30ea0f0a5b48116334169c0c0e...
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.