Pith Number

pith:3MMPD3QQ

pith:2012:3MMPD3QQLE7ECNGKSXWH2VLGHX

not attested not anchored not stored refs pending

Applied Mathematics, the Hans van Duijn way

Mark A. Peletier

arxiv:1204.5386 v1 · 2012-04-21 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3MMPD3QQLE7ECNGKSXWH2VLGHX}

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	2026-05-18T03:57:13.382584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db18f1ee10593e4134ca95ec7d55663dd31b0272c96d14ab34bd3c37bf0f09fd

Aliases

arxiv: 1204.5386 · arxiv_version: 1204.5386v1 · doi: 10.48550/arxiv.1204.5386 · pith_short_12: 3MMPD3QQLE7E · pith_short_16: 3MMPD3QQLE7ECNGK · pith_short_8: 3MMPD3QQ

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/3MMPD3QQLE7ECNGKSXWH2VLGHX \
  | 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: db18f1ee10593e4134ca95ec7d55663dd31b0272c96d14ab34bd3c37bf0f09fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1c551d58da06f58d59cb917916e49fac0865cc05d34cc5ea3865721e4ea2ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2012-04-21T18:57:40Z",
    "title_canon_sha256": "47592b5a14b63e4ae43c5e968786421c759054f453dbbd037b9801ddab488488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5386",
    "kind": "arxiv",
    "version": 1
  }
}