OpenTechnical

OT-2026-000062004

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000062004) never changes.

Identity and time

Publication numberOT-2026-000062004 · never reused
Internal UUID01a0ae8b-b8ae-7796-acea-5f9ae987b805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062004
StatusPUBLIC

Content hashes

Canonical text0d14320907df0691092a7f0e5e7676637f867659015a61a1d5175b770c088a82
Markdowna9ca4e99b97e713d613e14f4958771a26f03478b2ea3767cad9dcb7747647241
PDF
Publication page1fd492312c142f7a0a312e6aba133b574f43270368921410358e30b8c10382c2
Manifeste38b5a56a9891e1df9491ea28482f4474e3c6333def087d37f5c32ea48a29412

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
SignatureWIERhQ8IHDRDXPFoL1ZDYbIMEJQNUjJTbgcgiQ88cMrOri8LuyODASX5UPog0fAMG7L4OxW8fb5eGS31XLKFBg==
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

2026-09-17T10:41:01.725760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062004
observed 1fd492312c142f7a0a312e6aba133b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:01.700351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062004/manifest.json
observed e38b5a56a9891e1df9491ea28482f447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:01.681714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062004/publication.md
observed a9ca4e99b97e713d613e14f4958771a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:01.657306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062004/publication.txt
observed 0d14320907df0691092a7f0e5e767663...
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.