Pith Number

pith:VCEND3WQ

pith:2020:VCEND3WQ7V5JEY3OKHBX3OA5LE

not attested not anchored not stored refs pending

Feasibility Analysis for the Problem of Active Near Field/Far Field Acoustic Pattern Synthesis in Free Space and Shallow Water Environments

Chaoxian Qi, Daniel Onofrei, Jiefu Chen, Neil Jerome A. Egarguin

arxiv:2007.03093 v1 · 2020-07-06 · physics.comp-ph · cs.NA · math.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{VCEND3WQ7V5JEY3OKHBX3OA5LE}

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	2026-07-05T01:16:59.460145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a888d1eed0fd7a92636e51c37db81d5917eeede27b9db79593cdfe1ac91bcc77

Aliases

arxiv: 2007.03093 · arxiv_version: 2007.03093v1 · doi: 10.48550/arxiv.2007.03093 · pith_short_12: VCEND3WQ7V5J · pith_short_16: VCEND3WQ7V5JEY3O · pith_short_8: VCEND3WQ

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/VCEND3WQ7V5JEY3OKHBX3OA5LE \
  | 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: a888d1eed0fd7a92636e51c37db81d5917eeede27b9db79593cdfe1ac91bcc77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d974a4d55b86acc418db5645897b4d05786c8b60a7cb30aca850d06b4b6db5b2",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-07-06T22:10:02Z",
    "title_canon_sha256": "35ca9750826cfab3c65a14d9432cf5120744abd562beb6f65b76f8d17dfa2d7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.03093",
    "kind": "arxiv",
    "version": 1
  }
}