Pith Number

pith:33PFWRKF

pith:2012:33PFWRKFUH6WDKBNHXPFJ5IAID

not attested not anchored not stored refs pending

Point source identification in non-linear advection-diffusion-reaction systems

Alexander V. Mamonov, Yen-Hsi Richard Tsai

arxiv:1202.2373 v3 · 2012-02-10 · math-ph · math.MP · 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{33PFWRKFUH6WDKBNHXPFJ5IAID}

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	2026-05-18T03:13:10.991366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dede5b4545a1fd61a82d3dde54f50040e218a6e64a812b063fab9a699438816a

Aliases

arxiv: 1202.2373 · arxiv_version: 1202.2373v3 · doi: 10.48550/arxiv.1202.2373 · pith_short_12: 33PFWRKFUH6W · pith_short_16: 33PFWRKFUH6WDKBN · pith_short_8: 33PFWRKF

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/33PFWRKFUH6WDKBNHXPFJ5IAID \
  | 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: dede5b4545a1fd61a82d3dde54f50040e218a6e64a812b063fab9a699438816a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e421ecbe22578679e193b6f154ab98e677280a156bbe0f0792868c95f5bb74b8",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-02-10T21:51:21Z",
    "title_canon_sha256": "accf2495729cf5cfb201d014bf75469787bc3220a950b5e3ad578f2f86ed884d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2373",
    "kind": "arxiv",
    "version": 3
  }
}