Pith Number

pith:S6F7GRKB

pith:2026:S6F7GRKBWVJJE4SPCT2GNEQOWA

not attested not anchored not stored refs pending

V-RIS: Virtual-Aperture DoA Estimation with Sparse RIS

Fenghao Zheng, Fuhai Wang, Gui Zhou, Robert Caiming Qiu, Zenan ling, Zihan Jin

arxiv:2607.27716 v1 · 2026-07-30 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S6F7GRKBWVJJE4SPCT2GNEQOWA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-31T01:30:00.184671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

978bf34541b55292724f14f466920eb01be31f3905e9e580778f3ad2c1c8d65d

Aliases

arxiv: 2607.27716 · arxiv_version: 2607.27716v1 · doi: 10.48550/arxiv.2607.27716 · pith_short_12: S6F7GRKBWVJJ · pith_short_16: S6F7GRKBWVJJE4SP · pith_short_8: S6F7GRKB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/S6F7GRKBWVJJE4SPCT2GNEQOWA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 978bf34541b55292724f14f466920eb01be31f3905e9e580778f3ad2c1c8d65d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87271f66901ce76b9055361fc92edd72d6aa1f7256a721ace00f95745b472037",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-07-30T05:52:48Z",
    "title_canon_sha256": "823245040078f92cbb53eaeed955b52f9e44e2216f557ccf8c58d5eeb55611ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27716",
    "kind": "arxiv",
    "version": 1
  }
}