Pith Number

pith:DF4AXSBC

pith:2014:DF4AXSBCWPNGCYWBGSW6N5RJPF

not attested not anchored not stored refs pending

Spectrum of mixed bi-uniform hypergraphs

Enrica Cherubini, Maria Axenovich, Torsten Ueckerdt

arxiv:1407.1422 v1 · 2014-07-05 · math.CO · cs.DM

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

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	2026-05-18T02:48:16.610649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19780bc822b3da6162c134ade6f629797a6052b2e24798e00665ab20b94e7dfa

Aliases

arxiv: 1407.1422 · arxiv_version: 1407.1422v1 · doi: 10.48550/arxiv.1407.1422 · pith_short_12: DF4AXSBCWPNG · pith_short_16: DF4AXSBCWPNGCYWB · pith_short_8: DF4AXSBC

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/DF4AXSBCWPNGCYWBGSW6N5RJPF \
  | 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: 19780bc822b3da6162c134ade6f629797a6052b2e24798e00665ab20b94e7dfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbeb2633515c3b2554e52336a8bfd660e92305d909d2f7e15b366b77d465dec7",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-07-05T17:33:15Z",
    "title_canon_sha256": "9728a1334443dbd85423b9d05bfb607c47fa1c53fe8ebca1bc70c92cfe90c6c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1422",
    "kind": "arxiv",
    "version": 1
  }
}