Pith Number

pith:PT3FAO3Q

pith:2014:PT3FAO3QUKMUXDOMYFDFNRBGSU

not attested not anchored not stored refs pending

The Giant Gemini GMOS survey of z>4.4 quasars - I. Measuring the mean free path across cosmic time

Avery Meiksin (University of Edinburgh), Brice M\'enard (Johns Hopkins University & Kavli IPMU), G\'abor Worseck (MPIA & UCO/Lick), George D. Becker (University of Cambridge), John M. O'Meara (Saint Michael's College), J. Xavier Prochaska (UCO/Lick & MPIA), Michael T. Murphy (Swinburne University of Technology), Michele Fumagalli (Durham University & Carnegie Observatories), Sara Ellison (University of Victoria), Sebastian Lopez (Universidad de Chile)

arxiv:1402.4154 v1 · 2014-02-17 · 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{PT3FAO3QUKMUXDOMYFDFNRBGSU}

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	2026-05-18T01:44:37.073532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cf6503b70a2994b8dccc14656c426950140b3caf39a5aa18bf8e5e1af295336

Aliases

arxiv: 1402.4154 · arxiv_version: 1402.4154v1 · doi: 10.48550/arxiv.1402.4154 · pith_short_12: PT3FAO3QUKMU · pith_short_16: PT3FAO3QUKMUXDOM · pith_short_8: PT3FAO3Q

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/PT3FAO3QUKMUXDOMYFDFNRBGSU \
  | 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: 7cf6503b70a2994b8dccc14656c426950140b3caf39a5aa18bf8e5e1af295336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e123c58e32339a17b5a19656ca86dc869ef5a82836c8b1e0205e72f475aea07e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-17T21:44:23Z",
    "title_canon_sha256": "8ad66740f16422f3ff02bee16b9459524216d1e2c9395043db7554d3df2a497e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4154",
    "kind": "arxiv",
    "version": 1
  }
}