Pith Number

pith:7COCJTSB

pith:2010:7COCJTSBGSQG2GIRO64V5RSYLU

not attested not anchored not stored refs pending

Velocity Structure of Self-Similar Spherically Collapsed Halos

Edmund Bertschinger, Phillip Zukin

arxiv:1008.1980 v2 · 2010-08-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7COCJTSBGSQG2GIRO64V5RSYLU}

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	2026-05-18T04:32:45.961673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f89c24ce4134a06d191177b95ec6585d0a6e1ab6fd322a5f4a75f39c17c12387

Aliases

arxiv: 1008.1980 · arxiv_version: 1008.1980v2 · doi: 10.48550/arxiv.1008.1980 · pith_short_12: 7COCJTSBGSQG · pith_short_16: 7COCJTSBGSQG2GIR · pith_short_8: 7COCJTSB

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/7COCJTSBGSQG2GIRO64V5RSYLU \
  | 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: f89c24ce4134a06d191177b95ec6585d0a6e1ab6fd322a5f4a75f39c17c12387

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8ec66427a69a4c898dd0670c256cf00b4d76718d34b4ede96472548eda5e2cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-11T20:00:01Z",
    "title_canon_sha256": "cf66999d68d6ac62460a1a7a24e089acd35f1ba00c900b4a451896f384a21171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1980",
    "kind": "arxiv",
    "version": 2
  }
}