OpenTechnical

OT-2026-000061360

Publication integrity record

Single bellows cup vacuum gripper, pump 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-2026-000061360) never changes.

Identity and time

Publication numberOT-2026-000061360 · never reused
Internal UUID01a0ae8b-1384-7d53-9c80-03d95f25fd63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061360
StatusPUBLIC

Content hashes

Canonical text2c8cd5ed62d7b10cfed1ab60be420475b7a315d7a350f3e17d6e63fb77883284
Markdown51f92c1dc282bb0a33447510612482bc34cd57f1fcefcc5f056db261e6fa53dc
PDF
Publication page726e812afea08f5ff2b0a04ade0db6c03ef474a18d75eda3c76e247927fef784
Manifesta0ad215ec20062be1fc4d49986e023da7fd7ed5d47c854508721d35c878112d4

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
SignatureFdWX5/0my0HXsPhmLyQwvBb3oHticv0yvKKaxDC39l8/HIlNXJUPQ8zCHwf8hbiFnj+AfrUKq23HKnn5WxWbCQ==
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

2026-09-17T10:42:48.553980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061360
observed 726e812afea08f5ff2b0a04ade0db6c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.536635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061360/manifest.json
observed a0ad215ec20062be1fc4d49986e023da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.518229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061360/publication.md
observed 51f92c1dc282bb0a33447510612482bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.499435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061360/publication.txt
observed 2c8cd5ed62d7b10cfed1ab60be420475...
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.