Pith Number

pith:ZN5ZXFT4

pith:2005:ZN5ZXFT4YTWYUHYAUGY5U5ATTV

not attested not anchored not stored refs pending

Spectral Synthesis of SDSS Galaxies

A. Mateus, G. Stasinska, J. M. Gomes, L. Sodre Jr., R. Cid Fernandes

arxiv:astro-ph/0506420 v1 · 2005-06-17 · 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{ZN5ZXFT4YTWYUHYAUGY5U5ATTV}

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	2026-07-04T14:14:18.193969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb7b9b967cc4ed8a1f00a1b1da74139d547ffb14baf76e69a8fa65ccec0b4336

Aliases

arxiv: astro-ph/0506420 · arxiv_version: astro-ph/0506420v1 · doi: 10.48550/arxiv.astro-ph/0506420 · pith_short_12: ZN5ZXFT4YTWY · pith_short_16: ZN5ZXFT4YTWYUHYA · pith_short_8: ZN5ZXFT4

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/ZN5ZXFT4YTWYUHYAUGY5U5ATTV \
  | 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: cb7b9b967cc4ed8a1f00a1b1da74139d547ffb14baf76e69a8fa65ccec0b4336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "205f8ce171713209e4f9656094ce816c95d2cbf8c36da3605f5e0a7f26d268d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-17T16:59:06Z",
    "title_canon_sha256": "dc76b9df32cf6789428070aa5322bddc769d01b610ab76b849171242f2ad8553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506420",
    "kind": "arxiv",
    "version": 1
  }
}