OpenTechnical

OT-2026-000062002

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000062002) never changes.

Identity and time

Publication numberOT-2026-000062002 · never reused
Internal UUID01a0ae8b-b8ae-7f2d-8a1e-681a91ee770e · 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-2026-000062002
StatusPUBLIC

Content hashes

Canonical text6c594e038d3979da082e704e4a803c51b1855eefe19cfa2512b63423ea7eea91
Markdown5d80fbf417abb9a804bd077dc3c274c222bfb6681b6f7f61fb17cd9a9a2cb657
PDF
Publication page29e4768fd7af045bd8c2430355aed7ee3bdeead41fc88e97ecc2ac7e31a15de8
Manifestb7c3dc5add4ad72812f4251f26f328096d36cdd348ddf2e11186106af61bb4aa

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
SignatureHOJDUjpw9rISZWbL5L5H/j3BZPxi+wAqnX01lhS32+2zCmiJMk817aFo0bRK+xNmtxWxNuDtS7T6hXSse++wCw==
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

2026-09-17T10:40:56.235815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062002
observed 29e4768fd7af045bd8c2430355aed7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:56.214594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062002/manifest.json
observed b7c3dc5add4ad72812f4251f26f32809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:56.192930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062002/publication.md
observed 5d80fbf417abb9a804bd077dc3c274c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:56.172377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062002/publication.txt
observed 6c594e038d3979da082e704e4a803c51...
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.