Pith Number

pith:VBROQ4WM

pith:2018:VBROQ4WMSGDR4AH4YCVQ5IDMHH

not attested not anchored not stored refs pending

Retrieval of acoustic sources from multi-frequency phaseless data

Deyue Zhang, Hongyu Liu, Jingzhi Li, Yukun Guo

arxiv:1803.11323 v1 · 2018-03-30 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBROQ4WMSGDR4AH4YCVQ5IDMHH}

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	2026-05-18T00:09:15.174753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a862e872cc91871e00fcc0ab0ea06c39d59a2d114d39e3e0d1c5b83e7e9eb236

Aliases

arxiv: 1803.11323 · arxiv_version: 1803.11323v1 · doi: 10.48550/arxiv.1803.11323 · pith_short_12: VBROQ4WMSGDR · pith_short_16: VBROQ4WMSGDR4AH4 · pith_short_8: VBROQ4WM

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/VBROQ4WMSGDR4AH4YCVQ5IDMHH \
  | 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: a862e872cc91871e00fcc0ab0ea06c39d59a2d114d39e3e0d1c5b83e7e9eb236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8552c9965f0802ca46e79a416bbb7975cdbdfd65eac44f877b29989c10baf371",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-30T03:10:57Z",
    "title_canon_sha256": "f297a384106c6d809b35a87e8fb0a79c8a594b3cb6cb81e9319278931a13ce7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11323",
    "kind": "arxiv",
    "version": 1
  }
}