Pith Number

pith:WVKUCQG6

pith:2016:WVKUCQG6OLFHJ3377DYJVRRL55

not attested not anchored not stored refs pending

The Lyman-alpha luminosity function at z=5.7-6.6 and the steep drop of the faint end: implications for reionization

David Sobral (Lancaster), Jorryt Matthee (Leiden), S\'ergio Santos (Lisbon)

arxiv:1606.07435 v2 · 2016-06-23 · astro-ph.GA · 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{WVKUCQG6OLFHJ3377DYJVRRL55}

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	2026-05-18T01:07:15.967686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5554140de72ca74ef7ff8f09ac62bef6767ddd5896a2df8f17aae39c7bbb7b5

Aliases

arxiv: 1606.07435 · arxiv_version: 1606.07435v2 · doi: 10.48550/arxiv.1606.07435 · pith_short_12: WVKUCQG6OLFH · pith_short_16: WVKUCQG6OLFHJ337 · pith_short_8: WVKUCQG6

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/WVKUCQG6OLFHJ3377DYJVRRL55 \
  | 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: b5554140de72ca74ef7ff8f09ac62bef6767ddd5896a2df8f17aae39c7bbb7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faa9b9ae485fdaef75d4b7e6ed363c6809a7c834045b71c16707025f18fb6c43",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-23T20:00:00Z",
    "title_canon_sha256": "275d2e26ce6dacc6378c1356d8c0cceeb60627375cb17dad7027d2c2ae0d838b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07435",
    "kind": "arxiv",
    "version": 2
  }
}