Pith Number

pith:XGNYP7VL

pith:2018:XGNYP7VLZPHQQYNPXR7WTOODKR

not attested not anchored not stored refs pending

Probing Time-Dependent Dark Energy with the Flux Power Spectrum of the Lyman $\alpha$ Forest

Ali P. Snedden, Grant J. Mathews, In-Saeng Suh, Jared W. Coughlin, Lara Arielle Phillips

arxiv:1812.03217 v1 · 2018-12-07 · 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{XGNYP7VLZPHQQYNPXR7WTOODKR}

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	2026-05-17T23:51:13.963267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b99b87feabcbcf0861afbc7f69b9c3546e934ff318b99ded0d4209d794f24013

Aliases

arxiv: 1812.03217 · arxiv_version: 1812.03217v1 · doi: 10.48550/arxiv.1812.03217 · pith_short_12: XGNYP7VLZPHQ · pith_short_16: XGNYP7VLZPHQQYNP · pith_short_8: XGNYP7VL

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/XGNYP7VLZPHQQYNPXR7WTOODKR \
  | 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: b99b87feabcbcf0861afbc7f69b9c3546e934ff318b99ded0d4209d794f24013

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c94d707c712dec7b2c32b3cf9b0fdad2654a59cd6c9d8931a2670ae915acb47c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-07T21:09:10Z",
    "title_canon_sha256": "df8e673e7a7e9b47e2d3541e9d29a4171ff89f294a2a2f59a4afa97b007d6464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03217",
    "kind": "arxiv",
    "version": 1
  }
}