Pith Number

pith:VVI3RUPV

pith:2006:VVI3RUPVIFMJSX2U26RO4W73YL

not attested not anchored not stored refs pending

Spectroscopy of z~6 i-dropout Galaxies: Frequency of Ly-alpha Emission and the Sizes of Ly-alpha Emitting Galaxies

A. van der Wel, A. Zirm, B. P. Holden, C. C. Dow-Hygelund, D. Magee, G. D. Illingworth, H. Ford, M. Franx, P. G. van Dokkum, P. Rosati, R. Bouwens

arxiv:astro-ph/0612454 v1 · 2006-12-18 · 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{VVI3RUPVIFMJSX2U26RO4W73YL}

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	2026-05-18T04:36:20.596851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad51b8d1f54158995f54d7a2ee5bfbc2cba5f5189f52ed72d39fd3ad78804025

Aliases

arxiv: astro-ph/0612454 · arxiv_version: astro-ph/0612454v1 · doi: 10.48550/arxiv.astro-ph/0612454 · pith_short_12: VVI3RUPVIFMJ · pith_short_16: VVI3RUPVIFMJSX2U · pith_short_8: VVI3RUPV

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/VVI3RUPVIFMJSX2U26RO4W73YL \
  | 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: ad51b8d1f54158995f54d7a2ee5bfbc2cba5f5189f52ed72d39fd3ad78804025

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c4654af41afd94e178918d71a71f42e48f1662e68cd1660a51106293e4f7d2a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-18T20:56:03Z",
    "title_canon_sha256": "3d58146b7539b1d8af0238d43c0387e58f4d65da541a26a23b8a49e048bf9dbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612454",
    "kind": "arxiv",
    "version": 1
  }
}