OpenTechnical

OT-2026-000048228

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000048228) never changes.

Identity and time

Publication numberOT-2026-000048228 · never reused
Internal UUID01a0ae80-4de2-761d-b736-eacb120c6ea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048228
StatusPUBLIC

Content hashes

Canonical text1a2e5b5a38b79b65b14a64b214cf5e8c29b6848862bb1892bc5cfbb7cca3073f
Markdown95e6347bc9a6938786cc395192669da2160530780fb21f4349cfb4c99dca65aa
PDF
Publication page090a94d26da08fbd30c36a71da51b4b2ec827c20875adcf10d134cc400fb3adb
Manifest3ca79fcd63f9b8b762991d8f7306e6f00e8ccfdae54d838aa070c0c404fda068

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
SignatureFDwjh4WR1s1uMKX+mvXmIHpsLEEABS7FrbL9Az5FSn/dRU+07dQGsNVL0SJonpleRw2Kli69vWzc4xxJZpjvBQ==
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

2026-09-17T11:04:47.079627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048228
observed 090a94d26da08fbd30c36a71da51b4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.060980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048228/manifest.json
observed 3ca79fcd63f9b8b762991d8f7306e6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.043593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048228/publication.md
observed 95e6347bc9a6938786cc395192669da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.023808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048228/publication.txt
observed 1a2e5b5a38b79b65b14a64b214cf5e8c...
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.