OpenTechnical

OT-2026-000060710

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000060710) never changes.

Identity and time

Publication numberOT-2026-000060710 · never reused
Internal UUID01a0ae8a-b7ce-75c8-963c-64dca3a21d77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060710
StatusPUBLIC

Content hashes

Canonical textc220289e1eeb665d74b6fb386e7da4c9277933f096b17cc9e8f36cbbe0a9263c
Markdowne3856bbd146ea22d6c61fb868109d643c277b01d54d0810771a7102e05beb424
PDF
Publication page1be1b481941d81e56ef060d0ed5e9aaaa96d6e34acc771c82fa0fde894bc8fe7
Manifest3004b961b21250d668eeb538cf5fec7442add510fe3bbb5fe413ee1ebfc72c62

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
Signature9t9/AnbtI16RSXEmCzQ1WsyreFlEBsj9Sf8I+vpqyzPflUUBra6rdWmC5NDchUj+Afju00phi/0ZFNEr7X4FBQ==
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

2026-09-17T10:43:21.562431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060710
observed 1be1b481941d81e56ef060d0ed5e9aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.545494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060710/manifest.json
observed 3004b961b21250d668eeb538cf5fec74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.526462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060710/publication.md
observed e3856bbd146ea22d6c61fb868109d643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.510684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060710/publication.txt
observed c220289e1eeb665d74b6fb386e7da4c9...
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.