OpenTechnical

OT-2026-000055953

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000055953) never changes.

Identity and time

Publication numberOT-2026-000055953 · never reused
Internal UUID01a0ae87-0a4a-761b-8e65-3431bc6916e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055953
StatusPUBLIC

Content hashes

Canonical text72420e470ccdcdbfff829f637562d006ce5efc4b59b8cda7eec056d06a3da59c
Markdownecba9637fabb65edca2ed9ba1728c9dd3b8f92c9fc3d8595cb1aa98263e9c198
PDF
Publication pagedb06271259285db748ca3a734c2146a6ed3564846d342da57fed91556c78e30e
Manifesta3601fcaf46856c150aba0d0fb1eaa148d21eb4a8657ffba9bcd1e123db1125f

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
SignatureKr4whsXOHxgN2uiMgRU46xkWUJjl1xhTbmAPRlTB1uu7y+hntbpmd8jzN0NNW/q2/x2x0jcGZQjcxJ5RiK0rAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:28.368459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055953
observed db06271259285db748ca3a734c2146a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.349601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055953/manifest.json
observed a3601fcaf46856c150aba0d0fb1eaa14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.332026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055953/publication.md
observed ecba9637fabb65edca2ed9ba1728c9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.314348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055953/publication.txt
observed 72420e470ccdcdbfff829f637562d006...
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.