Pith Number

pith:PYVMZ7LX

pith:2017:PYVMZ7LXNNUQ7TNQ7LJZZFPAP4

not attested not anchored not stored refs pending

The Importance of Quantum Pressure of Fuzzy Dark Matter on Lyman-Alpha Forest

Hantao Liu, Jiajun Zhang, Jui-Lin Kuo, kingman Cheung, Ming-chung Chu, Yue-Lin Sming Tsai

arxiv:1708.04389 v2 · 2017-08-15 · astro-ph.CO · astro-ph.GA · astro-ph.HE · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYVMZ7LXNNUQ7TNQ7LJZZFPAP4}

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	2026-05-18T00:08:23.549508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e2accfd776b690fcdb0fad39c95e07f0fb381f994fd626dd6366c33a1de7ff0

Aliases

arxiv: 1708.04389 · arxiv_version: 1708.04389v2 · doi: 10.48550/arxiv.1708.04389 · pith_short_12: PYVMZ7LXNNUQ · pith_short_16: PYVMZ7LXNNUQ7TNQ · pith_short_8: PYVMZ7LX

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/PYVMZ7LXNNUQ7TNQ7LJZZFPAP4 \
  | 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: 7e2accfd776b690fcdb0fad39c95e07f0fb381f994fd626dd6366c33a1de7ff0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed8808dc9555cd5568c44350eb233ca3e06410a2f13085d6bd25f01b388fc65",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-08-15T03:16:23Z",
    "title_canon_sha256": "22986ce1334d781d806bb83d876f970407722c714cb5e61b834362afd84681fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04389",
    "kind": "arxiv",
    "version": 2
  }
}