Pith Number

pith:42HIOCIS

pith:2017:42HIOCISYDBB5D4GOOFLTLIGJV

not attested not anchored not stored refs pending

The black hole quantum atmosphere

Daniele Pranzetti, Ramit Dey, Stefano Liberati

arxiv:1701.06161 v2 · 2017-01-22 · 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{42HIOCISYDBB5D4GOOFLTLIGJV}

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	2026-05-18T00:33:21.667022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68e870912c0c21e8f86738ab9ad064d6ad9f0aae97c45b04217eae5c0311463

Aliases

arxiv: 1701.06161 · arxiv_version: 1701.06161v2 · doi: 10.48550/arxiv.1701.06161 · pith_short_12: 42HIOCISYDBB · pith_short_16: 42HIOCISYDBB5D4G · pith_short_8: 42HIOCIS

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/42HIOCISYDBB5D4GOOFLTLIGJV \
  | 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: e68e870912c0c21e8f86738ab9ad064d6ad9f0aae97c45b04217eae5c0311463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6955d90e64c550edd17dd1466e5f7d82f913a581dad58d7134cb8c4c66c1656d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-22T13:06:29Z",
    "title_canon_sha256": "d3abb05b01aab0b008af89cdbc005c281f3271e911ff84f7739243ae618cdcf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06161",
    "kind": "arxiv",
    "version": 2
  }
}