pith. sign in
Pith Number

pith:PBGN5MII

pith:2018:PBGN5MIIJVXHR4WA5XO36FSD3N
not attested not anchored not stored refs pending

Black Hole Entropy and Soft Hair

Andrew Strominger, Malcolm J. Perry, Sasha Haco, Stephen W. Hawking

arxiv:1810.01847 v4 · 2018-10-03 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PBGN5MIIJVXHR4WA5XO36FSD3N}

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

2 papers in Pith

Receipt and verification
First computed 2026-05-17T23:55:11.574697Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

784cdeb1084d6e78f2c0edddbf1643db4b77c9deb9fd4bb251ae8df0881207a3

Aliases

arxiv: 1810.01847 · arxiv_version: 1810.01847v4 · doi: 10.48550/arxiv.1810.01847 · pith_short_12: PBGN5MIIJVXH · pith_short_16: PBGN5MIIJVXHR4WA · pith_short_8: PBGN5MII
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PBGN5MIIJVXHR4WA5XO36FSD3N \
  | 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: 784cdeb1084d6e78f2c0edddbf1643db4b77c9deb9fd4bb251ae8df0881207a3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5a8865803f2c1347d994beda36b3e756d3ecd984c40fc48111ec55d2ed25c348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-10-03T17:16:36Z",
    "title_canon_sha256": "447975aea5865ac2fc30da78b0c883a52e6529ec4586a90d13e0b9f501be001f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01847",
    "kind": "arxiv",
    "version": 4
  }
}