Pith Number

pith:7XDBMOL5

pith:1993:7XDBMOL5WIVA3MZNQOD6RDIRKY

not attested not anchored not stored refs pending

Hairy Black Holes in String Theory

A. Strominger, J. A. Harvey, Joseph Polchinski, S.B. Giddings, S.H. Shenker

arxiv:hep-th/9309152 v3 · 1993-09-27 · 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{7XDBMOL5WIVA3MZNQOD6RDIRKY}

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	2026-07-04T15:50:08.278557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdc616397db22a0db32d8387e88d11561b49df20b1ea178d21c43c561072bfa7

Aliases

arxiv: hep-th/9309152 · arxiv_version: hep-th/9309152v3 · doi: 10.48550/arxiv.hep-th/9309152 · pith_short_12: 7XDBMOL5WIVA · pith_short_16: 7XDBMOL5WIVA3MZN · pith_short_8: 7XDBMOL5

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/7XDBMOL5WIVA3MZNQOD6RDIRKY \
  | 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: fdc616397db22a0db32d8387e88d11561b49df20b1ea178d21c43c561072bfa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bef048011ff7f3e09edcb38897dc73e5dfed613fc71a675ed30feb36938069db",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-09-27T23:31:35Z",
    "title_canon_sha256": "c95daf177905bb7da4d776159b9ec3475791adc0d71e11072e2550a7bd950fed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9309152",
    "kind": "arxiv",
    "version": 3
  }
}