Pith Number

pith:7PXJ24EK

pith:2009:7PXJ24EKT7TZ3B4YEYZOTXATAY

not attested not anchored not stored refs pending

The angular momentum of condensations within elephant trunks

A. C. Raga, A. Esquivel, V. Lora

arxiv:0906.4368 v1 · 2009-06-23 · 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{7PXJ24EKT7TZ3B4YEYZOTXATAY}

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	2026-05-18T02:13:13.087201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbee9d708a9fe79d87982632e9dc130628112c27bc338c0428ef5323c5482b50

Aliases

arxiv: 0906.4368 · arxiv_version: 0906.4368v1 · doi: 10.48550/arxiv.0906.4368 · pith_short_12: 7PXJ24EKT7TZ · pith_short_16: 7PXJ24EKT7TZ3B4Y · pith_short_8: 7PXJ24EK

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/7PXJ24EKT7TZ3B4YEYZOTXATAY \
  | 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: fbee9d708a9fe79d87982632e9dc130628112c27bc338c0428ef5323c5482b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "305d8a98aadcffe11736f64c37733231aed4b43a81e585a0b06379d2f8450118",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-23T22:17:26Z",
    "title_canon_sha256": "968c0b14a5231442716aa94a01caee897ea9d9c07d4d9716d8eb57f04a79ce8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4368",
    "kind": "arxiv",
    "version": 1
  }
}