Pith Number

pith:C63KU754

pith:2014:C63KU754GSMJHCQW6EZHLWOV2P

not attested not anchored not stored refs pending

2-D Prony-Huang Transform: A New Tool for 2-D Spectral Analysis

J\'er\'emy Schmitt, Laurent Condat, Nelly Pustelnik, Patrick Flandrin, Pierre Borgnat

arxiv:1404.7680 v1 · 2014-04-30 · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C63KU754GSMJHCQW6EZHLWOV2P}

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	2026-05-18T01:43:21.518753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17b6aa7fbc3498938a16f13275d9d5d3e799e021b4f4e48d3f4ee3b5d8c8c66c

Aliases

arxiv: 1404.7680 · arxiv_version: 1404.7680v1 · doi: 10.48550/arxiv.1404.7680 · pith_short_12: C63KU754GSMJ · pith_short_16: C63KU754GSMJHCQW · pith_short_8: C63KU754

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/C63KU754GSMJHCQW6EZHLWOV2P \
  | 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: 17b6aa7fbc3498938a16f13275d9d5d3e799e021b4f4e48d3f4ee3b5d8c8c66c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d8d45b83bf2cf189bdeba69972a7011b4ed598ac3015866258f0a986426f1fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2014-04-30T10:58:18Z",
    "title_canon_sha256": "bbf7fc42a110b2d4850163c732f8aff852063975070bd0a207256b58a2b50ec7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7680",
    "kind": "arxiv",
    "version": 1
  }
}