OpenTechnical

OT-2026-000054882

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000054882) never changes.

Identity and time

Publication numberOT-2026-000054882 · never reused
Internal UUID01a0ae86-1285-7dd3-8cb1-e395e023c13c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054882
StatusPUBLIC

Content hashes

Canonical text54d7a7ffb5160212e6f98d6dca59fd289433986b4a59ed8a83b067f3f2f91f32
Markdown41106faa599552c4519482df35ffcdd388929b0f05666ab29e8114053bd18dff
PDF
Publication pageedfe8978848119df8d2f35c6b28ea2100ec60a5dce17b7359036beb45431f832
Manifesta1394729d64aa1fd2736e7a909ffae34ce2ab0b4cdeb5faa0fb33e46afa988d3

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
SignatureWAwCGn3iWEWeWtJ6L+qP8TZRns3ObzogugJ2yQNkQY5+I/wcAn9RxX09ZBN13jEJU0/e945bc3P8C8fc24KyBw==
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

2026-09-17T10:54:06.379722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054882
observed edfe8978848119df8d2f35c6b28ea210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.361910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054882/manifest.json
observed a1394729d64aa1fd2736e7a909ffae34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.345079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054882/publication.md
observed 41106faa599552c4519482df35ffcdd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.326135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054882/publication.txt
observed 54d7a7ffb5160212e6f98d6dca59fd28...
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.