Pith Number

pith:EV2EBM2L

pith:2015:EV2EBM2LNYNQNG34TJYOK6LAKS

not attested not anchored not stored refs pending

On the heat content of a polygon

Katie Gittins, Michiel van den Berg

arxiv:1504.04165 v3 · 2015-04-16 · 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{EV2EBM2LNYNQNG34TJYOK6LAKS}

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	2026-05-18T01:10:18.450892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

257440b34b6e1b069b7c9a70e5796054b8233107e00bae086b94f6738461bcda

Aliases

arxiv: 1504.04165 · arxiv_version: 1504.04165v3 · doi: 10.48550/arxiv.1504.04165 · pith_short_12: EV2EBM2LNYNQ · pith_short_16: EV2EBM2LNYNQNG34 · pith_short_8: EV2EBM2L

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/EV2EBM2LNYNQNG34TJYOK6LAKS \
  | 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: 257440b34b6e1b069b7c9a70e5796054b8233107e00bae086b94f6738461bcda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "288c872e3728cc0013c6f903a6d77756f1b9d5d83ee99845ae73a20ad4a5ea2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-04-16T09:46:21Z",
    "title_canon_sha256": "bf062c777cc7099b3e8caf7afd2e6a144db2fc14d47b6bd3c73accfe55549de5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04165",
    "kind": "arxiv",
    "version": 3
  }
}