Pith Number

pith:R45KEUIL

pith:2013:R45KEUILSDRYA57THUL43GB5JU

not attested not anchored not stored refs pending

The pulsar spectral index distribution

Duncan R. Lorimer, Joris P. W. Verbiest, Samuel D. Bates

arxiv:1302.2053 v2 · 2013-02-08 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R45KEUILSDRYA57THUL43GB5JU}

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	2026-05-18T01:51:43.471085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f3aa2510b90e38077f33d17cd983d4d344b8c5d923b9993a63a7ca52e040f49

Aliases

arxiv: 1302.2053 · arxiv_version: 1302.2053v2 · doi: 10.48550/arxiv.1302.2053 · pith_short_12: R45KEUILSDRY · pith_short_16: R45KEUILSDRYA57T · pith_short_8: R45KEUIL

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/R45KEUILSDRYA57THUL43GB5JU \
  | 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: 8f3aa2510b90e38077f33d17cd983d4d344b8c5d923b9993a63a7ca52e040f49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8f5d5f0a7f344a37b621ff264fcf22720b37a9ea03c98831cc92e29a18ee3a1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-08T14:48:28Z",
    "title_canon_sha256": "ee58df7926c660501c9cca380a33dbd8ec8597cbc2b8b3ebefb74adcfab120dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2053",
    "kind": "arxiv",
    "version": 2
  }
}