Pith Number

pith:YTPHB726

pith:2008:YTPHB72635TNJFKBEMYGXJSMBR

not attested not anchored not stored refs pending

Central Charge for AdS_2 Quantum Gravity

Andrew Strominger, Thomas Hartman

arxiv:0803.3621 v1 · 2008-03-25 · 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{YTPHB72635TNJFKBEMYGXJSMBR}

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.

Cited by

1 paper in Pith

Timelike entanglement and central charge for quantum BTZ black holes

Receipt and verification

First computed	2026-07-04T15:41:15.896178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4de70ff5edf66d4954123306ba64c0c5b1ca9dfee1f86c499f9606f81305af4

Aliases

arxiv: 0803.3621 · arxiv_version: 0803.3621v1 · doi: 10.48550/arxiv.0803.3621 · pith_short_12: YTPHB72635TN · pith_short_16: YTPHB72635TNJFKB · pith_short_8: YTPHB726

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/YTPHB72635TNJFKBEMYGXJSMBR \
  | 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: c4de70ff5edf66d4954123306ba64c0c5b1ca9dfee1f86c499f9606f81305af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "194f3cfe06f0870cacb53cae67eca63919561d46633435d602d1c9bc580e4fee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-03-25T20:01:28Z",
    "title_canon_sha256": "e5eb17bd191a50d9b49416a12081f6b120503e4cef7ae889003ba549ed0e1f5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3621",
    "kind": "arxiv",
    "version": 1
  }
}