Pith Number

pith:Z355XUSK

pith:2019:Z355XUSKZ3VJOVDADNGMZXNLOD

not attested not anchored not stored refs pending

Classification in a Large Network

Vinay A. Vaishampayan

arxiv:1902.05531 v2 · 2019-02-14 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z355XUSKZ3VJOVDADNGMZXNLOD}

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	2026-05-17T23:51:52.043045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cefbdbd24aceea9754601b4cccddab70dc5fe160c53279964d007d657c9fa9de

Aliases

arxiv: 1902.05531 · arxiv_version: 1902.05531v2 · doi: 10.48550/arxiv.1902.05531 · pith_short_12: Z355XUSKZ3VJ · pith_short_16: Z355XUSKZ3VJOVDA · pith_short_8: Z355XUSK

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/Z355XUSKZ3VJOVDADNGMZXNLOD \
  | 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: cefbdbd24aceea9754601b4cccddab70dc5fe160c53279964d007d657c9fa9de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "036a1ec4044df16ab4bdb9ae7c3dda99ba8ed7ae61222eac9763cc78ff9c9f8f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-14T18:18:16Z",
    "title_canon_sha256": "fa206a72f773ecd5e08d75ae8e16cb56179c9eaddfd616999448793d18bac345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05531",
    "kind": "arxiv",
    "version": 2
  }
}