Pith Number

pith:GCHTHX2F

pith:2011:GCHTHX2FLBXTK7I6L3HWS6F2W7

not attested not anchored not stored refs pending

The blue UV slopes of z~4 Lyman break galaxies: implications for the corrected star formation rate density

A. Fontana, A. Galametz, A. Grazian, A. Koekemoer, D. Paris, E. Giallongo, E. Vanzella, K. Boutsia, L. Pentericci, M. Castellano, N. Menci, P. Santini, R. Maiolino, S. Cristiani, S. Gallerani, S. Gallozzi

arxiv:1109.1757 v2 · 2011-09-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCHTHX2FLBXTK7I6L3HWS6F2W7}

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	2026-05-18T02:00:37.810264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

308f33df45586f357d1e5ecf6978bab7c663239f767bb4ff10946ffba74ce632

Aliases

arxiv: 1109.1757 · arxiv_version: 1109.1757v2 · doi: 10.48550/arxiv.1109.1757 · pith_short_12: GCHTHX2FLBXT · pith_short_16: GCHTHX2FLBXTK7I6 · pith_short_8: GCHTHX2F

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/GCHTHX2FLBXTK7I6L3HWS6F2W7 \
  | 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: 308f33df45586f357d1e5ecf6978bab7c663239f767bb4ff10946ffba74ce632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dda07a496a2ee35acf318137e77a59414c95485e943297c8cc087aa1aa4ac082",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-08T16:18:38Z",
    "title_canon_sha256": "521c5f393ca331154b13fbbd718314100831be1f4c625e629905dbcc3700619a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1757",
    "kind": "arxiv",
    "version": 2
  }
}