Pith Number

pith:4CDT7XS2

pith:2012:4CDT7XS2WHEV35KO2H2TWZHLQB

not attested not anchored not stored refs pending

A Refined Measurement of the Mean Transmitted Flux in the Ly-alpha Forest over 2 < z < 5 Using Composite Quasar Spectra

(2) UCO/Lick Observatory, Cambridge, G\'abor Worseck (2), George D. Becker (1), J. Xavier Prochaska (2) ((1) KICC/IoA, Paul C. Hewett (1), University of California Santa Cruz)

arxiv:1208.2584 v2 · 2012-08-13 · 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{4CDT7XS2WHEV35KO2H2TWZHLQB}

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

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Receipt and verification

First computed	2026-05-18T01:55:16.437618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0873fde5ab1c95df54ed1f53b64eb805ea34902b9f7cbe1166ec02319d5db70

Aliases

arxiv: 1208.2584 · arxiv_version: 1208.2584v2 · doi: 10.48550/arxiv.1208.2584 · pith_short_12: 4CDT7XS2WHEV · pith_short_16: 4CDT7XS2WHEV35KO · pith_short_8: 4CDT7XS2

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/4CDT7XS2WHEV35KO2H2TWZHLQB \
  | 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: e0873fde5ab1c95df54ed1f53b64eb805ea34902b9f7cbe1166ec02319d5db70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c77cb421a216d8764a2db3187413d36037f089a1a740348c7dfd21dd3609b73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-13T13:34:27Z",
    "title_canon_sha256": "682b7d3d2a2692b80436eff86309b9713b879105f5421f996b211f391aecf85a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2584",
    "kind": "arxiv",
    "version": 2
  }
}