Pith Number

pith:U46OB5LD

pith:2010:U46OB5LD7HO7RUS5CTUWVTSEYE

not attested not anchored not stored refs pending

Schwarzschild horizon dynamics and SU(2) Chern-Simons theory

Parthasarathi Majumdar, Romesh K. Kaul

arxiv:1004.5487 v2 · 2010-04-30 · 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{U46OB5LD7HO7RUS5CTUWVTSEYE}

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	2026-05-18T02:24:09.971060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a73ce0f563f9ddf8d25d14e96ace44c12bd870b11b558775c826099b6c5082fb

Aliases

arxiv: 1004.5487 · arxiv_version: 1004.5487v2 · doi: 10.48550/arxiv.1004.5487 · pith_short_12: U46OB5LD7HO7 · pith_short_16: U46OB5LD7HO7RUS5 · pith_short_8: U46OB5LD

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/U46OB5LD7HO7RUS5CTUWVTSEYE \
  | 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: a73ce0f563f9ddf8d25d14e96ace44c12bd870b11b558775c826099b6c5082fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "292015846763a431d382479e0d7b9a27ed1679542c2afd4d6ab9a08191c18077",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-30T10:04:39Z",
    "title_canon_sha256": "954ccfb4ea67726d9e7d01eb7e951dc19be0d5e9b337bb5cbcb591c942cd0233"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5487",
    "kind": "arxiv",
    "version": 2
  }
}