Pith Number

pith:VONJRQ2D

pith:2002:VONJRQ2DSCIV3Z3YWPZ5DU424I

not attested not anchored not stored refs pending

Average spectra of massive galaxies in the SDSS

Alex Szalay, Andrew J. Connolly, Daniel J. Eisenstein, David J. Schlegel, David W. Hogg, Donald P. Schneider, Don G. York, Don Q. Lamb, Douglas P. Finkbeiner, Istvan Csabai, James E. Gunn, J. Brinkmann, Jeffrey A. Munn, Jon Loveday, Mariangela Bernardi, Masataka Fukugita, Michael A. Strauss, Osamu Nakamura, Robert C. Nichol, Zeljko Ivezic

arxiv:astro-ph/0212087 v1 · 2002-12-03 · 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{VONJRQ2DSCIV3Z3YWPZ5DU424I}

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	2026-07-04T16:31:21.217114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab9a98c34390915de778b3f3d1d39ae210d0413c4e862710d0945b0ce5fdc5bd

Aliases

arxiv: astro-ph/0212087 · arxiv_version: astro-ph/0212087v1 · doi: 10.48550/arxiv.astro-ph/0212087 · pith_short_12: VONJRQ2DSCIV · pith_short_16: VONJRQ2DSCIV3Z3Y · pith_short_8: VONJRQ2D

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/VONJRQ2DSCIV3Z3YWPZ5DU424I \
  | 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: ab9a98c34390915de778b3f3d1d39ae210d0413c4e862710d0945b0ce5fdc5bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4e4ebec3eccccbec55ef54683b29a9186d5425ece6eb932655bd591702d9213",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-03T23:17:54Z",
    "title_canon_sha256": "4caa69fe039a165ef4db8891fcb003e51ba777919a2c78b844d879b0fcacf409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212087",
    "kind": "arxiv",
    "version": 1
  }
}