Pith Number

pith:QNZ527MZ

pith:2013:QNZ527MZTD6BIVUHTSXXH5BU5I

not attested not anchored not stored refs pending

Distance Two Links

Jesse Johnson, Maggy Tomova, Marion Campisi, Ryan Blair, Scott A. Taylor

arxiv:1309.3787 v1 · 2013-09-15 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNZ527MZTD6BIVUHTSXXH5BU5I}

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	2026-05-18T03:13:20.544052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8373dd7d9998fc1456879caf73f434ea3958bb3250be8a2071fd8de57f80d534

Aliases

arxiv: 1309.3787 · arxiv_version: 1309.3787v1 · doi: 10.48550/arxiv.1309.3787 · pith_short_12: QNZ527MZTD6B · pith_short_16: QNZ527MZTD6BIVUH · pith_short_8: QNZ527MZ

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/QNZ527MZTD6BIVUHTSXXH5BU5I \
  | 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: 8373dd7d9998fc1456879caf73f434ea3958bb3250be8a2071fd8de57f80d534

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3f288207e30579d53af4655be8a4c267843dcbe7210d93db96766d178e3a344",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-09-15T19:02:23Z",
    "title_canon_sha256": "2c72281fe0e863d2a9f87948a0e37aeb49b94b058eababdddd1a88dcec460d03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3787",
    "kind": "arxiv",
    "version": 1
  }
}