Pith Number

pith:WB5FL4JM

pith:2001:WB5FL4JM54KQPDWSEBUTWBZ4SU

not attested not anchored not stored refs pending

Boundary conditions from boundary terms, Noether charges and the trace K lagrangian in general relativity

J. M. Pons

arxiv:gr-qc/0105032 v3 · 2001-05-09 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WB5FL4JM54KQPDWSEBUTWBZ4SU}

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	2026-05-18T02:37:36.041146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07a55f12cef15078ed220693b073c9531f37be997c6f20238fe2b282c6b23d1

Aliases

arxiv: gr-qc/0105032 · arxiv_version: gr-qc/0105032v3 · doi: 10.48550/arxiv.gr-qc/0105032 · pith_short_12: WB5FL4JM54KQ · pith_short_16: WB5FL4JM54KQPDWS · pith_short_8: WB5FL4JM

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/WB5FL4JM54KQPDWSEBUTWBZ4SU \
  | 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: b07a55f12cef15078ed220693b073c9531f37be997c6f20238fe2b282c6b23d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae2f04404109d6aa0ba86913947360754d8c467a0326000a7c8b15f0aefc11b5",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-05-09T08:40:36Z",
    "title_canon_sha256": "ed642b191a819fcd4426b6f8c1f339685aa950075dda9a19240b4c6e36e71c8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0105032",
    "kind": "arxiv",
    "version": 3
  }
}