OpenTechnical

OT-2026-000049910

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000049910) never changes.

Identity and time

Publication numberOT-2026-000049910 · never reused
Internal UUID01a0ae81-fd76-7021-96bc-8318c6ea5f64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049910
StatusPUBLIC

Content hashes

Canonical text2e8843524352cd27376deac0e3a3cf526e46f7f0ffdcfdac77cf77ca2bcaa4fe
Markdown155137d045a61f85baa15b57c5502cbddaa49dfa98e2864cb5667ce80840cbc7
PDF
Publication pageac659fa2ed878f0a951ff1a68a07150cc7a7f6be4adb9ca05fb62b864d6bf287
Manifestfb119b15bd3899c080a29732f830c8fa8da2fb5a196f2ee0a98c893bb8fb5047

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
SignatureNFr8JAvVa2Bxv5Mdw+x+X26hkYaCr4pfn2/e42ioZctRxXyH70CBovmmsdzXvNKHtf1rGUTG6t1MaettuOFGCw==
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

2026-09-17T11:01:50.032064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049910
observed ac659fa2ed878f0a951ff1a68a07150c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.011107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049910/manifest.json
observed fb119b15bd3899c080a29732f830c8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.989503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049910/publication.md
observed 155137d045a61f85baa15b57c5502cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.970440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049910/publication.txt
observed 2e8843524352cd27376deac0e3a3cf52...
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.