Pith Number

pith:IT7MYX7E

pith:2019:IT7MYX7EUQOX3G7QUK246HERO4

not attested not anchored not stored refs pending

A parametric Bayesian level set approach for acoustic source identification using multiple frequency information

Jiangfeng Huang, Xiaomei Yang, Zhiliang Deng

arxiv:1907.08660 v1 · 2019-07-19 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IT7MYX7EUQOX3G7QUK246HERO4}

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	2026-05-17T23:40:08.242807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44fecc5fe4a41d7d9bf0a2b5cf1c91773d85047aa6f34a7c35d9f2f6d97cf668

Aliases

arxiv: 1907.08660 · arxiv_version: 1907.08660v1 · doi: 10.48550/arxiv.1907.08660 · pith_short_12: IT7MYX7EUQOX · pith_short_16: IT7MYX7EUQOX3G7Q · pith_short_8: IT7MYX7E

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/IT7MYX7EUQOX3G7QUK246HERO4 \
  | 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: 44fecc5fe4a41d7d9bf0a2b5cf1c91773d85047aa6f34a7c35d9f2f6d97cf668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76ac280e382b7f6962a6aa686b1800e6cee94928c9679f9e05921e5b852c34d0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-19T19:31:34Z",
    "title_canon_sha256": "dd05b2e44b05aea9b32b8e720a1c451c4700fdbe501e29169272646ac895fbc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08660",
    "kind": "arxiv",
    "version": 1
  }
}