Pith Number

pith:NT45EG3U

pith:2018:NT45EG3UIYHIIVAHY452OHATTI

not attested not anchored not stored refs pending

White-hole dark matter and the origin of past low-entropy

Carlo Rovelli, Francesca Vidotto

arxiv:1804.04147 v3 · 2018-04-11 · 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{NT45EG3UIYHIIVAHY452OHATTI}

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	2026-05-17T23:58:30.903700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cf9d21b74460e845407c73ba71c139a089b21bdbc3c1f726a9c698f2912e0f6

Aliases

arxiv: 1804.04147 · arxiv_version: 1804.04147v3 · doi: 10.48550/arxiv.1804.04147 · pith_short_12: NT45EG3UIYHI · pith_short_16: NT45EG3UIYHIIVAH · pith_short_8: NT45EG3U

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/NT45EG3UIYHIIVAHY452OHATTI \
  | 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: 6cf9d21b74460e845407c73ba71c139a089b21bdbc3c1f726a9c698f2912e0f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1932b08a7f4d1cce2ca7ffa3fdf43ad4e7a40c8f8e9223d852a55e9b1245e1a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-11T18:01:43Z",
    "title_canon_sha256": "4dee131e9d649c00b71ecbb476394359f8e9945680efe1d8e71981b2b1eb63f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04147",
    "kind": "arxiv",
    "version": 3
  }
}