Pith Number

pith:5H7N5HPI

pith:2008:5H7N5HPI54PAYWCVCZW526CS47

not attested not anchored not stored refs pending

Galaxy morphology in the LambdaCDM cosmology

C. S. Frenk, O. H. Parry, V. R. Eke

arxiv:0806.4189 v2 · 2008-06-26 · astro-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{5H7N5HPI54PAYWCVCZW526CS47}

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	2026-05-18T02:15:46.073594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9fede9de8ef1e0c5855166ddd7852e7db56b7f5c05f536996bcfcb5effaa63e

Aliases

arxiv: 0806.4189 · arxiv_version: 0806.4189v2 · doi: 10.48550/arxiv.0806.4189 · pith_short_12: 5H7N5HPI54PA · pith_short_16: 5H7N5HPI54PAYWCV · pith_short_8: 5H7N5HPI

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/5H7N5HPI54PAYWCVCZW526CS47 \
  | 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: e9fede9de8ef1e0c5855166ddd7852e7db56b7f5c05f536996bcfcb5effaa63e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "442d7eff41ef77ec37da5df6eb036ec4e18be6b8da5802236b5014c5c157f70c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-26T09:19:50Z",
    "title_canon_sha256": "cd7bb4aed782460c777f4d237d6008e6edaeae7691ad7de8e88b559c25d6ead8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4189",
    "kind": "arxiv",
    "version": 2
  }
}