OpenTechnical

OT-2026-000047950

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000047950) never changes.

Identity and time

Publication numberOT-2026-000047950 · never reused
Internal UUID01a0ae7f-c422-7d70-ad04-d5b55fed80e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047950
StatusPUBLIC

Content hashes

Canonical text3d5dbdd34a036ec28859ff4e1c83ff57d23dc1c9110b7be606b7fd5507d062f3
Markdown6877ee507fa103057c49d59b60e38eb322f3484cabbc598a713bad344e2d4d4b
PDF
Publication page5206e88a1229d4dc514aa70d586f36efb2d2ec7dc732c7a047760f038bd00c75
Manifest617d3e9feebdd2b97653375a8fd049ef10e60424a3118d239b52e2cfce792f37

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
SignaturegDEzOSlukmaldR9KsNRjDDE+2tMKRwoDBkZwPLJGm0RVP798F4QWtL6qwiLdu5zyXoyvZhgq1SYz9emxy+YSAw==
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

2026-09-17T11:05:55.162570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047950
observed 5206e88a1229d4dc514aa70d586f36ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.145964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047950/manifest.json
observed 617d3e9feebdd2b97653375a8fd049ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.127779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047950/publication.md
observed 6877ee507fa103057c49d59b60e38eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.110706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047950/publication.txt
observed 3d5dbdd34a036ec28859ff4e1c83ff57...
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.