Pith Number

pith:VDO2RCX6

pith:2018:VDO2RCX6M7TW6YCC6OIDXOBD7O

not attested not anchored not stored refs pending

A census of exceptional Dehn fillings

Nathan M. Dunfield

arxiv:1812.11940 v2 · 2018-12-31 · 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{VDO2RCX6M7TW6YCC6OIDXOBD7O}

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.

Cited by

1 paper in Pith

Refined 3D index

Receipt and verification

First computed	2026-07-05T00:23:02.759704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8dda88afe67e76f6042f3903bb823fba08e0f3f0517ea72aaff584d0ebaf959

Aliases

arxiv: 1812.11940 · arxiv_version: 1812.11940v2 · doi: 10.48550/arxiv.1812.11940 · pith_short_12: VDO2RCX6M7TW · pith_short_16: VDO2RCX6M7TW6YCC · pith_short_8: VDO2RCX6

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/VDO2RCX6M7TW6YCC6OIDXOBD7O \
  | 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: a8dda88afe67e76f6042f3903bb823fba08e0f3f0517ea72aaff584d0ebaf959

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d7bf251777e43872d108b025acf018f4190432832c71da046f902812459e79a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-12-31T18:23:09Z",
    "title_canon_sha256": "45038cb22230393b55ef257f6bd797c788c52e9c5bff0c3d54520b40dfcef8d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11940",
    "kind": "arxiv",
    "version": 2
  }
}