Pith Number

pith:O7YR3JNK

pith:2013:O7YR3JNKUNWRV2EUYMU3IDFO6S

not attested not anchored not stored refs pending

On the nature of CP Pup

Antonio Bianchini, Domitilla de Martino, Elena Mason, Francesco di Mille, Koji Mukai, Marina Orio, Robert E. Williams, Roberto De Propris, Timothy Abbot

arxiv:1308.5175 v1 · 2013-08-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7YR3JNKUNWRV2EUYMU3IDFO6S}

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	2026-05-18T01:47:59.148285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77f11da5aaa36d1ae894c329b40caef48e05ecbaf029cdc262caa0cd9bfcc466

Aliases

arxiv: 1308.5175 · arxiv_version: 1308.5175v1 · doi: 10.48550/arxiv.1308.5175 · pith_short_12: O7YR3JNKUNWR · pith_short_16: O7YR3JNKUNWRV2EU · pith_short_8: O7YR3JNK

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/O7YR3JNKUNWRV2EUYMU3IDFO6S \
  | 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: 77f11da5aaa36d1ae894c329b40caef48e05ecbaf029cdc262caa0cd9bfcc466

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "757ecb96438bedfd0aae06384619b1b0d0a0163756b0116f837b112d7d83bfea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-23T16:33:02Z",
    "title_canon_sha256": "f0f5daf8679c326eefc19483d50161dd339e8028ae3f35e1f7915eb85526e9de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5175",
    "kind": "arxiv",
    "version": 1
  }
}