Pith Number

pith:DNK7EITF

pith:2012:DNK7EITFL7WW5REVG23S32TMF7

not attested not anchored not stored refs pending

A Convergent Reaction-Diffusion Master Equation

Samuel A Isaacson

arxiv:1211.6772 v3 · 2012-11-28 · math.NA · physics.bio-ph · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNK7EITFL7WW5REVG23S32TMF7}

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	2026-05-18T03:16:51.374401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b55f222655fed6ec49536b72dea6c2ff2b3798ee8f399d6ff5d9cf408c23957

Aliases

arxiv: 1211.6772 · arxiv_version: 1211.6772v3 · doi: 10.48550/arxiv.1211.6772 · pith_short_12: DNK7EITFL7WW · pith_short_16: DNK7EITFL7WW5REV · pith_short_8: DNK7EITF

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/DNK7EITFL7WW5REVG23S32TMF7 \
  | 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: 1b55f222655fed6ec49536b72dea6c2ff2b3798ee8f399d6ff5d9cf408c23957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24e6549c4bf54a8d73e5008c2ac4c6029c1be692b76ca387fe649341f3a2522c",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-11-28T22:48:01Z",
    "title_canon_sha256": "6483e73aa1ef40aa11202ce31721be4a338fe804744bb949cf6801dfbeb7198d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6772",
    "kind": "arxiv",
    "version": 3
  }
}