Pith Number

pith:HXV7XU3D

pith:2009:HXV7XU3DNEJJUSF52IT56YGH4Y

not attested not anchored not stored refs pending

Limits on the luminosity function of Ly-alpha emitters at z = 7.7

1), 2), (2) LAM, (3) ESO Chile, (4) Department of Physics, (5) Canada France Hawaii Telescope Corporation, (6) Herzberg Institute of Astrophysics, (7) Institut d'Astrophysique de Paris), Astronomy, B. Cl\'ement (2), C. J. Willott (6), C. Lidman (4), C. Marmo (7), H. McCracken (7) ((1) KIAS, J.-G. Cuby (2), J.-P. Kneib (2), J. Willis (3), P. Hibon (1, S.Arnouts (5, University of Victoria

arxiv:0907.3354 v2 · 2009-07-20 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXV7XU3DNEJJUSF52IT56YGH4Y}

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	2026-05-18T02:12:55.665809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3debfbd36369129a48bdd227df60c7e61a05d0115e3b904d83479fa8fb469c31

Aliases

arxiv: 0907.3354 · arxiv_version: 0907.3354v2 · doi: 10.48550/arxiv.0907.3354 · pith_short_12: HXV7XU3DNEJJ · pith_short_16: HXV7XU3DNEJJUSF5 · pith_short_8: HXV7XU3D

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/HXV7XU3DNEJJUSF52IT56YGH4Y \
  | 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: 3debfbd36369129a48bdd227df60c7e61a05d0115e3b904d83479fa8fb469c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afaf91bb21f2501ca97abddbd7baaae565b3d1f22003588ae8c0d74efa841a56",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-20T08:55:34Z",
    "title_canon_sha256": "4e01e74dba13077666b7648fc0871c5d1b46814a2c08ef2a7ab85c4f32c06e57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3354",
    "kind": "arxiv",
    "version": 2
  }
}