Pith Number

pith:DINADRRT

pith:2012:DINADRRT6UXQ23LBFWYM675YJG

not attested not anchored not stored refs pending

The relative significance of the H-index

H. C. Spruit

arxiv:1201.5476 v2 · 2012-01-26 · astro-ph.IM · cs.DL · 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{DINADRRT6UXQ23LBFWYM675YJG}

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	2026-05-18T04:03:20.099575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a1a01c633f52f0d6d612db0cf7fb84989e3c7d7373327593d7c41a39345d683

Aliases

arxiv: 1201.5476 · arxiv_version: 1201.5476v2 · doi: 10.48550/arxiv.1201.5476 · pith_short_12: DINADRRT6UXQ · pith_short_16: DINADRRT6UXQ23LB · pith_short_8: DINADRRT

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/DINADRRT6UXQ23LBFWYM675YJG \
  | 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: 1a1a01c633f52f0d6d612db0cf7fb84989e3c7d7373327593d7c41a39345d683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ef101beb04c66e64057a00aa66fbba53ba76a71ad69a2746369164c5330ba2b",
    "cross_cats_sorted": [
      "cs.DL",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-01-26T10:27:20Z",
    "title_canon_sha256": "09341628c600602ae12d3e2e8304cc1681427158377da5dd3f9a8d3aa5dcb03b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5476",
    "kind": "arxiv",
    "version": 2
  }
}