Pith Number

pith:VLS3Q3X6

pith:2009:VLS3Q3X6Z27H4E3U5MCRX7QM3C

not attested not anchored not stored refs pending

Large-Scale Fluctuations in the HeII Lyman-alpha Forest and HeII Reionization

Keri Dixon (UCLA), Steven Furlanetto

arxiv:0910.5246 v1 · 2009-10-27 · 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{VLS3Q3X6Z27H4E3U5MCRX7QM3C}

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	2026-05-18T02:34:12.686147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aae5b86efecebe7e1374eb051bfe0cd8a85aae5c3755410594041176402e9357

Aliases

arxiv: 0910.5246 · arxiv_version: 0910.5246v1 · doi: 10.48550/arxiv.0910.5246 · pith_short_12: VLS3Q3X6Z27H · pith_short_16: VLS3Q3X6Z27H4E3U · pith_short_8: VLS3Q3X6

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/VLS3Q3X6Z27H4E3U5MCRX7QM3C \
  | 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: aae5b86efecebe7e1374eb051bfe0cd8a85aae5c3755410594041176402e9357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d462ad698a9cbb23eb7360e3a6ce77ab778f7af811f69b3b3bbfad8578ff715",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-27T21:47:21Z",
    "title_canon_sha256": "a08f6c8d895ac95ad306927f3e9fab08f4b83ad5780d1331f9e6b5d19eb56a71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5246",
    "kind": "arxiv",
    "version": 1
  }
}