pith. sign in
Pith Number

pith:4NYSYUJK

pith:2012:4NYSYUJKMC62NREFZ6NGNXCG26
not attested not anchored not stored refs pending

Coordination via a relay

Amin Gohari, Farzin Haddadpour, Mohammad Hossein Yassaee, Mohammad Reza Aref

arxiv:1203.0731 v1 · 2012-03-04 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4NYSYUJKMC62NREFZ6NGNXCG26}

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 2026-05-18T04:00:50.695087Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e3712c512a60bda6c485cf9a66dc46d7be3bc1579e1dfe5f8087d49e3ab3ec64

Aliases

arxiv: 1203.0731 · arxiv_version: 1203.0731v1 · doi: 10.48550/arxiv.1203.0731 · pith_short_12: 4NYSYUJKMC62 · pith_short_16: 4NYSYUJKMC62NREF · pith_short_8: 4NYSYUJK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4NYSYUJKMC62NREFZ6NGNXCG26 \
  | 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: e3712c512a60bda6c485cf9a66dc46d7be3bc1579e1dfe5f8087d49e3ab3ec64
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "217cd8ad935ad33e53d13b942624d171cc3ca63c74a0611d3a8cf5139cbca86b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-04T11:29:33Z",
    "title_canon_sha256": "e548b9f5896210a29d5ac3d30886bee2ae6f44989d4420bb53b733311f643b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0731",
    "kind": "arxiv",
    "version": 1
  }
}