OpenTechnical

OT-2026-000062400

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000062400) never changes.

Identity and time

Publication numberOT-2026-000062400 · never reused
Internal UUID01a0ae8c-0abf-7c06-9710-30a5d0df5f73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062400
StatusPUBLIC

Content hashes

Canonical text901e6e240e9defbe662a7e25d6eddb93f3e973ef6699c6060f8d31adffc734a0
Markdown8d0c102eb9988310aed294873dc5545da519e113a80411c60dab9c3c86dfa5ad
PDF
Publication pagefe4696b70f5043cf58699dd21ebda5f82c2961dd94fb0390297d95b0830015e5
Manifestf3093daaac5327762c635435469118df05de8b3de8713796becdd530a08d88c5

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
Signature8XwWPEHYlWp5jjp/F/ayHDmYZ97hV0ROeTRpTAuXNTjttknQmzy7QdGQPph1/AMF2BfOUW9CRGQztzgp+tgNCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:43.605891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062400
observed fe4696b70f5043cf58699dd21ebda5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.587228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062400/manifest.json
observed f3093daaac5327762c635435469118df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.566116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062400/publication.md
observed 8d0c102eb9988310aed294873dc5545d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.546205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062400/publication.txt
observed 901e6e240e9defbe662a7e25d6eddb93...
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.