Pith Number

pith:WMLZNM4Q

pith:2009:WMLZNM4Q77BIJSL3ZPCCAV5T7G

not attested not anchored not stored refs pending

Bright Lyman-alpha Emitters at z~9: constraints on the luminosity function from HiZELS

(2) Durham, (3) MPIA, (4) ESO, (5) IfA/ATC Edinburgh, (6) Oxford), D. Sobral (1), G. B. Dalton (6) ((1) IfA Edinburgh, Ian Smail (2), J. E. Geach (2), J. Kurk (3), K. Coppin (2), M. Casali (4), M. Cirasuolo (1), P. N. Best (1), R. J. Ivison (5)

arxiv:0907.0003 v1 · 2009-06-30 · 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{WMLZNM4Q77BIJSL3ZPCCAV5T7G}

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	2026-05-18T02:13:11.625340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b31796b390ffc284c97bcbc42057b3f992c1865fa95b841de5d8361b4e63da27

Aliases

arxiv: 0907.0003 · arxiv_version: 0907.0003v1 · doi: 10.48550/arxiv.0907.0003 · pith_short_12: WMLZNM4Q77BI · pith_short_16: WMLZNM4Q77BIJSL3 · pith_short_8: WMLZNM4Q

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/WMLZNM4Q77BIJSL3ZPCCAV5T7G \
  | 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: b31796b390ffc284c97bcbc42057b3f992c1865fa95b841de5d8361b4e63da27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb91adebcd79ac0e260ed26f3496ce7ef92752cfb6d4f915db08871ef02a822",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-30T20:00:03Z",
    "title_canon_sha256": "5139fdf47c10c073b377b71dc826b4d010a7fd700a294a097646598bfa860061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0003",
    "kind": "arxiv",
    "version": 1
  }
}