Pith Number

pith:6LCAV3L6

pith:2021:6LCAV3L6OCAR2NMVDGUM7BJVK6

not attested not anchored not stored refs pending

Exact Representation of Sparse Networks with Symmetric Nonnegative Embeddings

Anup Rao, Cameron Musco, Nedim Lipka, Ryan A. Rossi, Sudhanshu Chanpuriya, Tung Mai, Zhao Song

arxiv:2111.03030 v2 · 2021-11-04 · cs.LG · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LCAV3L6OCAR2NMVDGUM7BJVK6}

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	2026-07-05T05:02:23.798566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2c40aed7e70811d359519a8cf853557bcea7aa10336836f4a80d00ebf6dee23

Aliases

arxiv: 2111.03030 · arxiv_version: 2111.03030v2 · doi: 10.48550/arxiv.2111.03030 · pith_short_12: 6LCAV3L6OCAR · pith_short_16: 6LCAV3L6OCAR2NMV · pith_short_8: 6LCAV3L6

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/6LCAV3L6OCAR2NMVDGUM7BJVK6 \
  | 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: f2c40aed7e70811d359519a8cf853557bcea7aa10336836f4a80d00ebf6dee23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c1b13586bf01669ef3cbfa7eb2a8710a59da44349e6bcccec824ce008a2ab7f",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-04T17:34:39Z",
    "title_canon_sha256": "b664d7e708b6d26befb39601768ac0de4536ef4030a6c323fdc8afd165c874aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03030",
    "kind": "arxiv",
    "version": 2
  }
}