Pith Number

pith:6CZ56BHW

pith:2004:6CZ56BHWFOHK65BD6KJCWRVVIH

not attested not anchored not stored refs pending

A Lyman alpha emitter at z = 6.5 found with slitless spectroscopy

(2) ESO, (3) MPA, A. Cimatti (1), A. Ferrara (1), B. Ciardi (3) ((1) INAF - Osservatorio Astrofisico di Arcetri, D, D), E. Daddi (2), Firenze, I, J.D. Kurk (1), J. Vernet (1), S. di Serego Alighieri (1)

arxiv:astro-ph/0406140 v2 · 2004-06-06 · 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{6CZ56BHWFOHK65BD6KJCWRVVIH}

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	2026-07-04T16:43:55.869220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0b3df04f62b8eaf7423f2922b46b541d9411a174dc9af262fb3a6323d1d7c5d

Aliases

arxiv: astro-ph/0406140 · arxiv_version: astro-ph/0406140v2 · doi: 10.48550/arxiv.astro-ph/0406140 · pith_short_12: 6CZ56BHWFOHK · pith_short_16: 6CZ56BHWFOHK65BD · pith_short_8: 6CZ56BHW

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/6CZ56BHWFOHK65BD6KJCWRVVIH \
  | 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: f0b3df04f62b8eaf7423f2922b46b541d9411a174dc9af262fb3a6323d1d7c5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0018964a2f2759c0f196fec6f5854dd3733481749dbaff3195d0651d9a9cbb6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-06T12:33:55Z",
    "title_canon_sha256": "4635d719728ed128df4d87fbacb97a967b81dcb74ef9c4999c1e0fe976c4efcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406140",
    "kind": "arxiv",
    "version": 2
  }
}