Pith Number

pith:F7OBBB4P

pith:2019:F7OBBB4P423GMLBXANDUI57GS5

not attested not anchored not stored refs pending

Co-degrees resilience for perfect matchings in random hypergraphs

Asaf Ferber, Lior Hirschfeld

arxiv:1908.01435 v2 · 2019-08-05 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7OBBB4P423GMLBXANDUI57GS5}

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	2026-07-05T00:39:13.201934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fdc10878fe6b6662c3703474477e697536624e36277ed66be6b6346be32e12d

Aliases

arxiv: 1908.01435 · arxiv_version: 1908.01435v2 · doi: 10.48550/arxiv.1908.01435 · pith_short_12: F7OBBB4P423G · pith_short_16: F7OBBB4P423GMLBX · pith_short_8: F7OBBB4P

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/F7OBBB4P423GMLBXANDUI57GS5 \
  | 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: 2fdc10878fe6b6662c3703474477e697536624e36277ed66be6b6346be32e12d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12ee5addc559cce2e9ecd47652af6f46f4aa4f39028b3143b7337de2e9fb37c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-08-05T01:17:49Z",
    "title_canon_sha256": "9481662f702df3b833ec8a94586eb225ffc20483e86cf9e7b50927574f2ead26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01435",
    "kind": "arxiv",
    "version": 2
  }
}