Pith Number

pith:HSNYFO5N

pith:2014:HSNYFO5NBATGTGIZNPZM3FFNPV

not attested not anchored not stored refs pending

Separation dimension of sparse graphs

Deepak Rajendraprasad, L. Sunil Chandran, Manu Basavaraju, Rogers Mathew

arxiv:1404.4484 v1 · 2014-04-17 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSNYFO5NBATGTGIZNPZM3FFNPV}

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	2026-05-18T02:54:04.225053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c9b82bbad08266999196bf2cd94ad7d422c9fa44315041c07880872d7af7fb8

Aliases

arxiv: 1404.4484 · arxiv_version: 1404.4484v1 · doi: 10.48550/arxiv.1404.4484 · pith_short_12: HSNYFO5NBATG · pith_short_16: HSNYFO5NBATGTGIZ · pith_short_8: HSNYFO5N

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/HSNYFO5NBATGTGIZNPZM3FFNPV \
  | 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: 3c9b82bbad08266999196bf2cd94ad7d422c9fa44315041c07880872d7af7fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b32a0c41219dbd849de5f809c7ddb141b1cf1f6fc6223131c0de67c3d7c9a1e",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-04-17T11:05:01Z",
    "title_canon_sha256": "b59d5a2a17136b5859db8ca6d6bc1f8c636e9eecc6d4542d2561749d7b382c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4484",
    "kind": "arxiv",
    "version": 1
  }
}