Pith Number

pith:TO67P7WY

pith:2013:TO67P7WY52IWKJWTTFRFONCA4Q

not attested not anchored not stored refs pending

On Soft Mappings

Ayse Sonmez, Cigdem Gunduz Aras, H\"useyin \c{C}akall{\i}

arxiv:1305.4545 v1 · 2013-05-16 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TO67P7WY52IWKJWTTFRFONCA4Q}

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	2026-05-18T01:09:32.737378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bbdf7fed8ee916526d39962573440e4105485d79273f781c4dee43ed5471568

Aliases

arxiv: 1305.4545 · arxiv_version: 1305.4545v1 · doi: 10.48550/arxiv.1305.4545 · pith_short_12: TO67P7WY52IW · pith_short_16: TO67P7WY52IWKJWT · pith_short_8: TO67P7WY

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/TO67P7WY52IWKJWTTFRFONCA4Q \
  | 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: 9bbdf7fed8ee916526d39962573440e4105485d79273f781c4dee43ed5471568

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed6bd99f592845a0c583d7809d2a3d2a60134a72e44d8cc7e257332a9abb4156",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2013-05-16T12:46:03Z",
    "title_canon_sha256": "d309dc9242d91bbc2f8fb833f74c2c7728f31b86329a8bb567164653527616a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4545",
    "kind": "arxiv",
    "version": 1
  }
}