Pith Number

pith:I5C2N5UK

pith:2005:I5C2N5UK4Y2BDQNK64JYS4Y5HT

not attested not anchored not stored refs pending

On the Origin of [OII] Emission in Red Sequence and Post-starburst Galaxies

David Koo, Jeffrey A. Newman, Marc Davis, Nicholas Konidaris, Renbin Yan, S.M. Faber

arxiv:astro-ph/0512446 v3 · 2005-12-17 · 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{I5C2N5UK4Y2BDQNK64JYS4Y5HT}

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	2026-05-18T02:40:25.480793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4745a6f68ae63411c1aaf71389731d3cd0f3e121e249a6ba16ab62e28b8f7ec7

Aliases

arxiv: astro-ph/0512446 · arxiv_version: astro-ph/0512446v3 · doi: 10.48550/arxiv.astro-ph/0512446 · pith_short_12: I5C2N5UK4Y2B · pith_short_16: I5C2N5UK4Y2BDQNK · pith_short_8: I5C2N5UK

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/I5C2N5UK4Y2BDQNK64JYS4Y5HT \
  | 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: 4745a6f68ae63411c1aaf71389731d3cd0f3e121e249a6ba16ab62e28b8f7ec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc287864140e689d6a72d67f310690e9520bfb9206bb2c47d1fe7362ce1f4fb5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-17T02:26:45Z",
    "title_canon_sha256": "049955c51fa8fb9ab71fd8603d78e4fbd991656d2334a15205b404e6cfc6e2b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512446",
    "kind": "arxiv",
    "version": 3
  }
}