Pith Number

pith:YWTD64ZL

pith:2013:YWTD64ZLXKCPX5DXMLJVW6QTUK

not attested not anchored not stored refs pending

SPM Bulletin 35

Boaz Tsaban

arxiv:1303.4217 v1 · 2013-03-18 · math.GN · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWTD64ZLXKCPX5DXMLJVW6QTUK}

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	2026-05-18T03:30:39.294186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5a63f732bba84fbf47762d35b7a13a293c9453d496377a39c9d54d4076b1cd0

Aliases

arxiv: 1303.4217 · arxiv_version: 1303.4217v1 · doi: 10.48550/arxiv.1303.4217 · pith_short_12: YWTD64ZLXKCP · pith_short_16: YWTD64ZLXKCPX5DX · pith_short_8: YWTD64ZL

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/YWTD64ZLXKCPX5DXMLJVW6QTUK \
  | 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: c5a63f732bba84fbf47762d35b7a13a293c9453d496377a39c9d54d4076b1cd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e67febd468a52f6c16ea0028d4d8f2349d31d91d2cf189fe41ec223af59cce8",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-03-18T11:51:39Z",
    "title_canon_sha256": "511115b52c3d9b610ee858055ddb797e3933c2cf9e87cd41eb3b6dd9d246b6f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4217",
    "kind": "arxiv",
    "version": 1
  }
}