Pith Number

pith:HHF4JMKO

pith:2012:HHF4JMKO7N6KHTM7UIDS232G5B

not attested not anchored not stored refs pending

Optimizing the Recovery of Fisher Information in the Dark Matter Power Spectrum

Hao-Ran Yu, Joachim Harnois-Deraps, Tong-Jie Zhang, Ue-Li Pen

arxiv:1205.4989 v1 · 2012-05-22 · 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{HHF4JMKO7N6KHTM7UIDS232G5B}

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	2026-05-18T01:57:24.383817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39cbc4b14efb7ca3cd9fa2072d6f46e86f20fd1b869460e5b425d76ed19457d4

Aliases

arxiv: 1205.4989 · arxiv_version: 1205.4989v1 · doi: 10.48550/arxiv.1205.4989 · pith_short_12: HHF4JMKO7N6K · pith_short_16: HHF4JMKO7N6KHTM7 · pith_short_8: HHF4JMKO

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/HHF4JMKO7N6KHTM7UIDS232G5B \
  | 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: 39cbc4b14efb7ca3cd9fa2072d6f46e86f20fd1b869460e5b425d76ed19457d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3650c85ccbf56473efce9cfda3af6ac0cf01f5e8e7b676836ec03e42b506de5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-22T17:36:20Z",
    "title_canon_sha256": "6b5c0f7534fb6d82f258631ad5a50f351fd1773c5c45481516ca9eacf1643451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4989",
    "kind": "arxiv",
    "version": 1
  }
}