Pith Number

pith:4R2DLYIW

pith:2014:4R2DLYIWOAA7I4YE5VPO3AZXLM

not attested not anchored not stored refs pending

An abstract framework for parabolic PDEs on evolving spaces

Amal Alphonse, Bj\"orn Stinner, Charles M. Elliott

arxiv:1403.4500 v3 · 2014-03-18 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4R2DLYIWOAA7I4YE5VPO3AZXLM}

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	2026-05-18T01:37:05.856875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47435e1167001f47304ed5eed83375b163cd0e6f9173940974ce2e5133f3541

Aliases

arxiv: 1403.4500 · arxiv_version: 1403.4500v3 · doi: 10.48550/arxiv.1403.4500 · pith_short_12: 4R2DLYIWOAA7 · pith_short_16: 4R2DLYIWOAA7I4YE · pith_short_8: 4R2DLYIW

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/4R2DLYIWOAA7I4YE5VPO3AZXLM \
  | 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: e47435e1167001f47304ed5eed83375b163cd0e6f9173940974ce2e5133f3541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "225184263f2f5d18500120902ee572c797a5672868afb7676f4eefb376fc69b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-03-18T15:24:58Z",
    "title_canon_sha256": "2f3a0e58055bec77d9b34e06c04974b650981204fa0cd4e49e0cc0c44b4a2ca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4500",
    "kind": "arxiv",
    "version": 3
  }
}