Pith Number

pith:FEB6YCID

pith:2010:FEB6YCIDFPQSHQLTKWINFKZAWK

not attested not anchored not stored refs pending

The impact of spatial fluctuations in the ultra-violet background on intergalactic carbon and silicon

James S. Bolton (Melbourne), Matteo Viel (INAF/INFN, Trieste)

arxiv:1011.1959 v2 · 2010-11-09 · 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{FEB6YCIDFPQSHQLTKWINFKZAWK}

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	2026-05-18T02:04:50.163347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2903ec09032be123c1735590d2ab20b2a5de705e17489efe8aed282fbc010a37

Aliases

arxiv: 1011.1959 · arxiv_version: 1011.1959v2 · doi: 10.48550/arxiv.1011.1959 · pith_short_12: FEB6YCIDFPQS · pith_short_16: FEB6YCIDFPQSHQLT · pith_short_8: FEB6YCID

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/FEB6YCIDFPQSHQLTKWINFKZAWK \
  | 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: 2903ec09032be123c1735590d2ab20b2a5de705e17489efe8aed282fbc010a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6367fcc0f84240c33344cd66497a15f836656004757e97312f106663f99790f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-09T02:28:34Z",
    "title_canon_sha256": "d8da36f59701a3a1d5e10260898e1fc2e17f938da94cc7f486a0872cfbe1c929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1959",
    "kind": "arxiv",
    "version": 2
  }
}