Pith Number

pith:WHYBDAT3

pith:2008:WHYBDAT3IS27MQV2Z4CGD7TPCN

not attested not anchored not stored refs pending

Cavity Approach to the Spectral Density of Sparse Symmetric Random Matrices

Isaac P\'erez Castillo, Koujin Takeda, Reimer K\"uhn, Tim Rogers

arxiv:0803.1553 v2 · 2008-03-11 · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHYBDAT3IS27MQV2Z4CGD7TPCN}

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	2026-07-04T17:09:47.695700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1f011827b44b5f642bacf0461fe6f134f85f21e976d9fcdb84dee2a20a96b7b

Aliases

arxiv: 0803.1553 · arxiv_version: 0803.1553v2 · doi: 10.48550/arxiv.0803.1553 · pith_short_12: WHYBDAT3IS27 · pith_short_16: WHYBDAT3IS27MQV2 · pith_short_8: WHYBDAT3

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/WHYBDAT3IS27MQV2Z4CGD7TPCN \
  | 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: b1f011827b44b5f642bacf0461fe6f134f85f21e976d9fcdb84dee2a20a96b7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a73e69877b00930f196912fcfc6bdf636e34dae6f56f71651fbe063e1fb4064",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2008-03-11T10:58:58Z",
    "title_canon_sha256": "561072c6dd4475936928d72fe3f3419fa9397fcc9fc6c4c5f9cdcf1891a0b064"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1553",
    "kind": "arxiv",
    "version": 2
  }
}