Pith Number

pith:FVLFK5PC

pith:2015:FVLFK5PCFJO3HAI3BPLJJJS3B7

not attested not anchored not stored refs pending

Quasars as probes of cosmological reionization

Daniel J. Mortlock (Imperial College London)

arxiv:1511.01107 v1 · 2015-11-03 · 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{FVLFK5PCFJO3HAI3BPLJJJS3B7}

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.

Cited by

1 paper in Pith

Evolution of Neutral Oxygen During the Epoch of Reionization and its Use in Estimating the Neutral Hydrogen Fraction

Receipt and verification

First computed	2026-05-18T01:08:43.221805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d565575e22a5db3811b0bd694a65b0fd4b747d5cbaf545cc4a25e0583b9e41a

Aliases

arxiv: 1511.01107 · arxiv_version: 1511.01107v1 · doi: 10.48550/arxiv.1511.01107 · pith_short_12: FVLFK5PCFJO3 · pith_short_16: FVLFK5PCFJO3HAI3 · pith_short_8: FVLFK5PC

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/FVLFK5PCFJO3HAI3BPLJJJS3B7 \
  | 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: 2d565575e22a5db3811b0bd694a65b0fd4b747d5cbaf545cc4a25e0583b9e41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be6f7edbd9107e1f5ffb32dfdf2d09d3c0e462a98f8ab8f2551b2231dd6c506d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-03T21:03:37Z",
    "title_canon_sha256": "29f36ed17c05a39ae944e93774d6395404171b2d3a5be0895712884c839ad6db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01107",
    "kind": "arxiv",
    "version": 1
  }
}