Pith Number

pith:U3K32PCT

pith:2011:U3K32PCT24QRS5IW64PJTIZRKP

not attested not anchored not stored refs pending

Black holes and branes in supergravity

Donald Marolf

arxiv:1107.1022 v2 · 2011-07-06 · 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{U3K32PCT24QRS5IW64PJTIZRKP}

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	2026-05-18T04:15:16.103765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6d5bd3c53d721197516f71e99a33153d6b47a0e99c23d46a204a1c23894e032

Aliases

arxiv: 1107.1022 · arxiv_version: 1107.1022v2 · doi: 10.48550/arxiv.1107.1022 · pith_short_12: U3K32PCT24QR · pith_short_16: U3K32PCT24QRS5IW · pith_short_8: U3K32PCT

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/U3K32PCT24QRS5IW64PJTIZRKP \
  | 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: a6d5bd3c53d721197516f71e99a33153d6b47a0e99c23d46a204a1c23894e032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b09fa42bf6d303fbb38311431f890f2a38a828311b3d1b4655c69199f92c877",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-07-06T04:29:28Z",
    "title_canon_sha256": "fd46771d626ca3df826409ea60f5bb9ea49deeebe6a88dbc300bc277fb1039f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1022",
    "kind": "arxiv",
    "version": 2
  }
}