OpenTechnical

OT-2026-000041855

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000041855) never changes.

Identity and time

Publication numberOT-2026-000041855 · never reused
Internal UUID01a0ae79-e8a5-769d-b3ae-624e031c5ad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041855
StatusPUBLIC

Content hashes

Canonical texta57e94692c76439dedbefce8d153ec3f65d9f76094d36f0d8e5c76245755fb9f
Markdown0a2b903fda809ba08a6e8bbb4ee02fe0a7a18f3416ef296204b7211b74b97bed
PDF
Publication page7655a746cec37fc53af9d1a9f59b686fb14355a07f76c19b87e87c6cc2c494eb
Manifest1d66bbe98fd59612a3b7ba91aef7784b53b35904179e98950608240259a86eb9

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
Signaturex4rJP+V3A26LLlOo+JfU682hZjfwvUl3O5JOWOMSG6MvFc/jY1/sbeWYpw2+JcCgUljmmfwnO4/lQ0p3qeW3AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:43.511816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041855
observed 7655a746cec37fc53af9d1a9f59b686f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.494561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041855/manifest.json
observed 1d66bbe98fd59612a3b7ba91aef7784b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.477094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041855/publication.md
observed 0a2b903fda809ba08a6e8bbb4ee02fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.460651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041855/publication.txt
observed a57e94692c76439dedbefce8d153ec3f...
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.