Pith Number

pith:N7AG7IGE

pith:2004:N7AG7IGE25N4ERHTWZJE5UJF3T

not attested not anchored not stored refs pending

Galaxy Evolution and Cosmology with the Square Kilometre Array

C.A. Blake, C.M. Baugh, F.B. Abdalla, J.M. van der Hulst, L.J. Greenhill, S.L. Bridle, S. Rawlings

arxiv:astro-ph/0409479 v1 · 2004-09-20 · 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{N7AG7IGE25N4ERHTWZJE5UJF3T}

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	2026-05-18T04:33:50.953847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc06fa0c4d75bc244f3b6524ed125dcda4dc37db6e987be6c89df6a5a6ce304

Aliases

arxiv: astro-ph/0409479 · arxiv_version: astro-ph/0409479v1 · doi: 10.48550/arxiv.astro-ph/0409479 · pith_short_12: N7AG7IGE25N4 · pith_short_16: N7AG7IGE25N4ERHT · pith_short_8: N7AG7IGE

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/N7AG7IGE25N4ERHTWZJE5UJF3T \
  | 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: 6fc06fa0c4d75bc244f3b6524ed125dcda4dc37db6e987be6c89df6a5a6ce304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a8f0dd988974927f478bd12ffba3d4f0bb2dc74491d0281395b3ec97099694c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-20T16:23:38Z",
    "title_canon_sha256": "6739f1c5b807333fbe970fe562a26c93d988b6590e9d96fb8e82b11a7a7ee3a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409479",
    "kind": "arxiv",
    "version": 1
  }
}