Pith Number

pith:N4EBGH3P

pith:2008:N4EBGH3PRJL2ZR2IOQ7P7HWAPL

not attested not anchored not stored refs pending

AGN Host Galaxy Morphologies in COSMOS

A. Leauthaud, A. M. Koekemoer, B. D. Simmons, B. Mobasher, C. D. Impey, E. Schinnerer, J. D. Rhodes, J. M. Gabor, J. R. Trump, K. Jahnke, M. Brusa, M. Salvato, N. Cappelluti, N. Scoville, P. Capak, R. Massey, V. Smol\v{c}i\'c

arxiv:0809.0309 v1 · 2008-09-01 · astro-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4EBGH3PRJL2ZR2IOQ7P7HWAPL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:29:32.917246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f08131f6f8a57acc748743eff9ec07acdef25ae0cece5ce6fb5fe0e0ffb293b

Aliases

arxiv: 0809.0309 · arxiv_version: 0809.0309v1 · doi: 10.48550/arxiv.0809.0309 · pith_short_12: N4EBGH3PRJL2 · pith_short_16: N4EBGH3PRJL2ZR2I · pith_short_8: N4EBGH3P

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/N4EBGH3PRJL2ZR2IOQ7P7HWAPL \
  | 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: 6f08131f6f8a57acc748743eff9ec07acdef25ae0cece5ce6fb5fe0e0ffb293b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d01f0e378824a816f090e7572c653785e44eb9dd52891bcf0b2daa0e9d2e6b97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-01T20:00:14Z",
    "title_canon_sha256": "69e8b15e37c79ae98198c4bf777db1f61f46813f89ff7a10e6922e6ccddde098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0309",
    "kind": "arxiv",
    "version": 1
  }
}