Pith Number

pith:H4DYPTDJ

pith:1992:H4DYPTDJZRJWWPJF3BROO4H774

not attested not anchored not stored refs pending

Dynamics of Extremal Black Holes

A. Strominger, S.B. Giddings

arxiv:hep-th/9202004 v1 · 1992-02-03 · 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{H4DYPTDJZRJWWPJF3BROO4H774}

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	2026-07-04T15:50:07.220756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f0787cc69cc536b3d25d862e770ffff187d9997b7e9bf5c25d99ef61f84d2b3

Aliases

arxiv: hep-th/9202004 · arxiv_version: hep-th/9202004v1 · doi: 10.48550/arxiv.hep-th/9202004 · pith_short_12: H4DYPTDJZRJW · pith_short_16: H4DYPTDJZRJWWPJF · pith_short_8: H4DYPTDJ

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/H4DYPTDJZRJWWPJF3BROO4H774 \
  | 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: 3f0787cc69cc536b3d25d862e770ffff187d9997b7e9bf5c25d99ef61f84d2b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd2d6353b067f06979b9a2704199f3a0e7ddf99f45b3a21e8529eb8d69396fb5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-02-03T06:56:55Z",
    "title_canon_sha256": "14756045eebf4d2e7def61f42b162af201e1dcf3b9f04540e218952282155548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9202004",
    "kind": "arxiv",
    "version": 1
  }
}