Pith Number

pith:XJCEU7ZS

pith:2013:XJCEU7ZS7R3X6BVV4VB356SIGE

not attested not anchored not stored refs pending

Interface dynamics in discrete forward-backward diffusion equations

Michael Helmers, Michael Herrmann

arxiv:1304.1693 v1 · 2013-04-05 · math.AP · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJCEU7ZS7R3X6BVV4VB356SIGE}

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	2026-05-18T02:26:01.171632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba444a7f32fc777f06b5e543befa4831384fb732821c9560f834205dc44d60f8

Aliases

arxiv: 1304.1693 · arxiv_version: 1304.1693v1 · doi: 10.48550/arxiv.1304.1693 · pith_short_12: XJCEU7ZS7R3X · pith_short_16: XJCEU7ZS7R3X6BVV · pith_short_8: XJCEU7ZS

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/XJCEU7ZS7R3X6BVV4VB356SIGE \
  | 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: ba444a7f32fc777f06b5e543befa4831384fb732821c9560f834205dc44d60f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bc578f137e36889e3eb0c3bedcfff82498a3be17b50e0376eca7c28e732f4e4",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-05T12:27:46Z",
    "title_canon_sha256": "a6fb5ab90169167e5a1254b4d6aab101614687af3df513548e1c74c7ea0d46fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1693",
    "kind": "arxiv",
    "version": 1
  }
}