OpenTechnical

OT-2026-000058384

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after 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-2026-000058384) never changes.

Identity and time

Publication numberOT-2026-000058384 · never reused
Internal UUID01a0ae88-f39a-774f-8f1d-3552b24551f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058384
StatusPUBLIC

Content hashes

Canonical text4df4ce10ee2a28a8a6ddde74e627b0f5fd3d8acba9b234ca8cce38f5c1d0eb4d
Markdownbd256b60140b4150a48c9d278ed497e5c6f260b71d39fa54ac9831bb0ec19937
PDF
Publication page5a8bcbb91cebbe798420580d6c713bd6b4a7f5b1a12f4190a860b6a1dace1f96
Manifest6308da72a83ede77f3923c4762ce98e7dacfbbfab760db7bf653f72d620ffbd7

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
Signaturer0H6Vx6EgPvpUTxeceR696eZ3GKawaqDHkcHpQZezxd9gKLgF/0vzE/WE1uGGcDbfgRtobl86o+hmiP4bxSoCw==
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...

Independent retrieval

2026-09-17T10:46:48.555868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058384
observed 5a8bcbb91cebbe798420580d6c713bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.538120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058384/manifest.json
observed 6308da72a83ede77f3923c4762ce98e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.521952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058384/publication.md
observed bd256b60140b4150a48c9d278ed497e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.503641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058384/publication.txt
observed 4df4ce10ee2a28a8a6ddde74e627b0f5...
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.