Pith Number

pith:5GEX2T7A

pith:2020:5GEX2T7AI6VBGGQE7SDGJNXUH7

not attested not anchored not stored refs pending

Thermodynamic properties in higher-derivative electrodynamics

A. A. Ara\'ujo Filho, R. V. Maluf

arxiv:2003.02380 v2 · 2020-03-05 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GEX2T7AI6VBGGQE7SDGJNXUH7}

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	2026-07-05T02:33:53.210213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9897d4fe047aa131a04fc8664b6f43feedf81d91b0a0f7f033f280b5ec6b093

Aliases

arxiv: 2003.02380 · arxiv_version: 2003.02380v2 · doi: 10.48550/arxiv.2003.02380 · pith_short_12: 5GEX2T7AI6VB · pith_short_16: 5GEX2T7AI6VBGGQE · pith_short_8: 5GEX2T7A

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/5GEX2T7AI6VBGGQE7SDGJNXUH7 \
  | 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: e9897d4fe047aa131a04fc8664b6f43feedf81d91b0a0f7f033f280b5ec6b093

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72009dbfdc1e0f105f4b4b4c89b9eeb0c147239e5da0769dc632197a4386cefa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-03-05T00:18:40Z",
    "title_canon_sha256": "39d867f5b04ec218af30976bbd12366235146263a7d87b583caea31dad0fc362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.02380",
    "kind": "arxiv",
    "version": 2
  }
}