Pith Number

pith:IQCBJSD2

pith:2009:IQCBJSD27RTBEHOZTARBVZX5WJ

not attested not anchored not stored refs pending

Uncertainties and Systematic Effects on the estimate of stellar masses in high z galaxies

A. Fontana, A. Grazian, E. Giallongo, L. Pentericci, N. Menci, P. Santini, S. Salimbeni

arxiv:0901.3540 v1 · 2009-01-22 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQCBJSD27RTBEHOZTARBVZX5WJ}

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	2026-05-18T02:35:06.270621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

440414c87afc66121dd998221ae6fdb268e6d5f94f6548a4a3deeb1d1d9ea6cb

Aliases

arxiv: 0901.3540 · arxiv_version: 0901.3540v1 · doi: 10.48550/arxiv.0901.3540 · pith_short_12: IQCBJSD27RTB · pith_short_16: IQCBJSD27RTBEHOZ · pith_short_8: IQCBJSD2

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/IQCBJSD27RTBEHOZTARBVZX5WJ \
  | 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: 440414c87afc66121dd998221ae6fdb268e6d5f94f6548a4a3deeb1d1d9ea6cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9953184a13104406663c787d41e18a70776d55c238c66254a1339edb09ca29ec",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-22T19:27:15Z",
    "title_canon_sha256": "2cae1d89b96b92b23325ee243c08ce88ea9c75f4ed24e4d153426d0606504072"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3540",
    "kind": "arxiv",
    "version": 1
  }
}