Pith Number

pith:7VZL2DFC

pith:1998:7VZL2DFCSRRJHWTUSAQN5SXFB2

not attested not anchored not stored refs pending

Black String Entropy from Anomalous D-brane Couplings

David D. Song, Richard J. Szabo (Oxford)

arxiv:hep-th/9805027 v3 · 1998-05-05 · hep-th · 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{7VZL2DFCSRRJHWTUSAQN5SXFB2}

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	2026-05-18T04:13:16.711550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd72bd0ca2946293da749020decae50e98c18bb29e3a847d7e3ac7d02ffe6878

Aliases

arxiv: hep-th/9805027 · arxiv_version: hep-th/9805027v3 · doi: 10.48550/arxiv.hep-th/9805027 · pith_short_12: 7VZL2DFCSRRJ · pith_short_16: 7VZL2DFCSRRJHWTU · pith_short_8: 7VZL2DFC

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/7VZL2DFCSRRJHWTUSAQN5SXFB2 \
  | 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: fd72bd0ca2946293da749020decae50e98c18bb29e3a847d7e3ac7d02ffe6878

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef52ded0d9b096a54e1afe019bcff994a65d5de004f6261569c10efa0ab19204",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-05-05T22:29:42Z",
    "title_canon_sha256": "12360042796216f3c86af5b00461608a2549b9a62aed08fa96617d588bd0fdca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9805027",
    "kind": "arxiv",
    "version": 3
  }
}