Pith Number

pith:JE4TPD2N

pith:2014:JE4TPD2NBCAUN3PCXSCVAXVK4O

not attested not anchored not stored refs pending

On the subset Combinatorics of G-spaces

Igor Protasov, Sergii Slobodianiuk

arxiv:1409.7350 v1 · 2014-09-25 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JE4TPD2NBCAUN3PCXSCVAXVK4O}

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	2026-05-18T02:41:58.599545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4939378f4d088146ede2bc85505eaae380caf720c9d53cf6c1f8a3b42b825080

Aliases

arxiv: 1409.7350 · arxiv_version: 1409.7350v1 · doi: 10.48550/arxiv.1409.7350 · pith_short_12: JE4TPD2NBCAU · pith_short_16: JE4TPD2NBCAUN3PC · pith_short_8: JE4TPD2N

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/JE4TPD2NBCAUN3PCXSCVAXVK4O \
  | 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: 4939378f4d088146ede2bc85505eaae380caf720c9d53cf6c1f8a3b42b825080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6722ee40bcb87b62127d3c5be29a3f4d7fb239d3861caeda7b48ac3eae4a9fea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-09-25T17:58:46Z",
    "title_canon_sha256": "afed518231a36c058002fc326a1465a6ffe3d961868804d5fc99de74884baa5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7350",
    "kind": "arxiv",
    "version": 1
  }
}