OpenTechnical

OT-2026-000026201

Publication integrity record

Four cup 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-2026-000026201) never changes.

Identity and time

Publication numberOT-2026-000026201 · never reused
Internal UUID01a0ae71-a841-74a0-9c11-2118de25fb13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026201
StatusPUBLIC

Content hashes

Canonical textf9de2ea39664c57f0df8b60aa6e5959a2db8759abd7ae19e6c7594047169abee
Markdown6e0d72d41282d0e45d7e7f3276a789a9c5bfc723286baa5229ae995799d5149e
PDF
Publication page713fce396a8fbabe87dd3a3f2aa2a9d11a9b9796365eecfee21de562b13cf2e2
Manifestc89ff46f15163fbe6fb09514c526b3016f60a865d72603b725cc62580042aa06

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
SignatureVQneW8wxlsHpsufsPSxQFwCP6IM8wsNTvqKLu3asFCXvajDqQrDCj1MUrRCMCOUcXDxqo0YBzGwrsxYNz37ZBg==
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

2026-09-17T11:46:43.137340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026201
observed 713fce396a8fbabe87dd3a3f2aa2a9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.116602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026201/manifest.json
observed c89ff46f15163fbe6fb09514c526b301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.096920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026201/publication.md
observed 6e0d72d41282d0e45d7e7f3276a789a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.079675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026201/publication.txt
observed f9de2ea39664c57f0df8b60aa6e5959a...
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.