OpenTechnical

OT-2026-000013270

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000013270) never changes.

Identity and time

Publication numberOT-2026-000013270 · never reused
Internal UUID01a0ae6d-6fc9-7f23-8281-a8674731e6b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013270
StatusPUBLIC

Content hashes

Canonical textf35fca9bcc658f8175020b6a3d81e6b335f37ff927781b899baf12bfb0a06a17
Markdown8a444e9f52fa639905212c49c37f8e794ac2a7c9b0990c5dd14bafaadbc7d996
PDF
Publication page6049b35bc4628e9691cf103a2aca6d5b9061565711aae97549f9157c78368f6b
Manifest1368aa513085f28b4f37177fb8acc2838a008ea0425c79de4bb8e2787a5f2dee

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
Signatureu9qK+6txV0FfAW8fM2+eVNym4miT0epYHeoxT/9HCqo0xRrZsxNjkK2z58FG0+rWBOLTGcZ2qIezaevJ5D9uAg==
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

2026-09-17T12:09:40.968117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013270
observed 6049b35bc4628e9691cf103a2aca6d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.948599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013270/manifest.json
observed 1368aa513085f28b4f37177fb8acc283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.929198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013270/publication.md
observed 8a444e9f52fa639905212c49c37f8e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.908825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013270/publication.txt
observed f35fca9bcc658f8175020b6a3d81e6b3...
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.