Pith Number

pith:XA5JZN33

pith:2013:XA5JZN33YUCDCGD255ILSB37JG

not attested not anchored not stored refs pending

A Reference for the Gravitational Hamiltonian Boundary Term

Chiang-Mei Chen, Gang Sun, James M. Nester, Jian-Liang Liu

arxiv:1307.1510 v1 · 2013-07-05 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XA5JZN33YUCDCGD255ILSB37JG}

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	2026-05-18T03:19:12.692878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83a9cb77bc50431187aef50b9077f49808bf2a214207f0f3961eb62931fb057

Aliases

arxiv: 1307.1510 · arxiv_version: 1307.1510v1 · doi: 10.48550/arxiv.1307.1510 · pith_short_12: XA5JZN33YUCD · pith_short_16: XA5JZN33YUCDCGD2 · pith_short_8: XA5JZN33

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/XA5JZN33YUCDCGD255ILSB37JG \
  | 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: b83a9cb77bc50431187aef50b9077f49808bf2a214207f0f3961eb62931fb057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86f2860fac28b1d09612c1429df876c45e0e64f1ff44a0d5bc3f1c9c93eb5322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-05T02:26:19Z",
    "title_canon_sha256": "4b2bb08e1df7a35be867b4dccd1ebe268aa8f6d96d6788026c6266bd69c6f002"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1510",
    "kind": "arxiv",
    "version": 1
  }
}