Pith Number

pith:MDXHPPM6

pith:1997:MDXHPPM6LZJ3QQ7RUOGSTD7KRJ

not attested not anchored not stored refs pending

Matrix Black Holes

Emil Martinec, Miao Li

arxiv:hep-th/9703211 v2 · 1997-03-28 · 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{MDXHPPM6LZJ3QQ7RUOGSTD7KRJ}

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	2026-05-18T01:08:53.309171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60ee77bd9e5e53b843f1a38d298fea8a59bccfd5f6c5f5cac2b7640fa15f5a5a

Aliases

arxiv: hep-th/9703211 · arxiv_version: hep-th/9703211v2 · doi: 10.48550/arxiv.hep-th/9703211 · pith_short_12: MDXHPPM6LZJ3 · pith_short_16: MDXHPPM6LZJ3QQ7R · pith_short_8: MDXHPPM6

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/MDXHPPM6LZJ3QQ7RUOGSTD7KRJ \
  | 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: 60ee77bd9e5e53b843f1a38d298fea8a59bccfd5f6c5f5cac2b7640fa15f5a5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6282b97d0409020848a9c765f766846584aabd684daff47fbfaa7d4eed69571",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-03-28T20:33:28Z",
    "title_canon_sha256": "84105af69404dcc00d68656c1d7f67a87143e83c9b5aa81d63b7d453a28dbc0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9703211",
    "kind": "arxiv",
    "version": 2
  }
}