Pith Number

pith:MYYQE2FZ

pith:2015:MYYQE2FZVL2P6RA2UPOBAVGKFA

not attested not anchored not stored refs pending

Spectrum density of large sparse random matrices associated to neural networks

Herv\'e Rouault, Shaul Druckmann

arxiv:1509.01893 v1 · 2015-09-07 · q-bio.NC · 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{MYYQE2FZVL2P6RA2UPOBAVGKFA}

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	2026-05-18T01:33:50.229883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66310268b9aaf4ff441aa3dc1054ca282f2eb2529dcaa2fa91c8948bfe33e0b3

Aliases

arxiv: 1509.01893 · arxiv_version: 1509.01893v1 · doi: 10.48550/arxiv.1509.01893 · pith_short_12: MYYQE2FZVL2P · pith_short_16: MYYQE2FZVL2P6RA2 · pith_short_8: MYYQE2FZ

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/MYYQE2FZVL2P6RA2UPOBAVGKFA \
  | 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: 66310268b9aaf4ff441aa3dc1054ca282f2eb2529dcaa2fa91c8948bfe33e0b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e738ebd4f57bc268fa201d44e8fe5a77e0ad453947fe6be1e2731a44f6ebefb",
    "cross_cats_sorted": [
      "cond-mat.dis-nn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2015-09-07T03:43:47Z",
    "title_canon_sha256": "3d555aa5648dc50481e08a3fd590ee7430404b5f80b39d72841c2c2da127f53f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01893",
    "kind": "arxiv",
    "version": 1
  }
}