OpenTechnical

OT-2026-000028566

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000028566) never changes.

Identity and time

Publication numberOT-2026-000028566 · never reused
Internal UUID01a0ae72-e2f8-7580-a473-427b2efe1660 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028566
StatusPUBLIC

Content hashes

Canonical text24154d8cffe854fee73be4c228e65dda3720d941ffbe65cbb0cd42e409cf77d8
Markdowndf078e95584883394845315dabb2cc88c1bc80c0355d57be790b6b1ed2891fbe
PDF
Publication paged44e05bd8078ae9cb2a3886f8ae688f2e984efca370528ad2f5f9113f5450c5b
Manifest796e7bbe5551c695715fbe4072618f3ff7c98a68404cd80f1f6b051e12ee4250

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
SignaturesuLe7vEX6Zal8VYgMDqESyfTBUhtmfSO11g9lBnwjmObAXVKDTmd2fi4JHLdBE1qwcG2BDJBarIpRJzkvEPUCw==
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

2026-09-17T11:40:51.178334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028566
observed d44e05bd8078ae9cb2a3886f8ae688f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:51.159874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028566/manifest.json
observed 796e7bbe5551c695715fbe4072618f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:51.141258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028566/publication.md
observed df078e95584883394845315dabb2cc88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:51.122888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028566/publication.txt
observed 24154d8cffe854fee73be4c228e65dda...
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.