Pith Number

pith:YW2U2RUG

pith:2018:YW2U2RUGELLN52CPOBNDMVOVR5

not attested not anchored not stored refs pending

Black Hole Metric: Overcoming the PageRank Normalization Problem

Alessandro Longheu, Giuseppe Mangioni, Marco Buzzanca, Michele Malgeri, Vincenza Carchiolo

arxiv:1802.05453 v1 · 2018-02-15 · cs.SI · cs.IR · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YW2U2RUGELLN52CPOBNDMVOVR5}

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	2026-05-18T00:23:15.624129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5b54d468622d6dee84f705a3655d58f7620b0bad7cd951dd4b1579caf9b8a37

Aliases

arxiv: 1802.05453 · arxiv_version: 1802.05453v1 · doi: 10.48550/arxiv.1802.05453 · pith_short_12: YW2U2RUGELLN · pith_short_16: YW2U2RUGELLN52CP · pith_short_8: YW2U2RUG

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/YW2U2RUGELLN52CPOBNDMVOVR5 \
  | 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: c5b54d468622d6dee84f705a3655d58f7620b0bad7cd951dd4b1579caf9b8a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f2aa87676758919f25ccf1981a3af2985b75098ab2dee8cdc1ee6bab999f3e",
    "cross_cats_sorted": [
      "cs.IR",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-02-15T09:52:02Z",
    "title_canon_sha256": "e656b1c9355ba9f1954a65aa7ecdc464b5b3cdd5906013d2fc8517ee58af12a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05453",
    "kind": "arxiv",
    "version": 1
  }
}