Pith Number

pith:WJDJOC6R

pith:2014:WJDJOC6RIE65HFXGVVT4BOLXTM

not attested not anchored not stored refs pending

Taut foliations, left-orderability, and cyclic branched covers

Cameron Gordon, Tye Lidman

arxiv:1406.6718 v2 · 2014-06-25 · 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{WJDJOC6RIE65HFXGVVT4BOLXTM}

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	2026-05-18T00:44:14.027367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b246970bd1413dd396e6ad67c0b9779b2054e9d9cee5f3cfc96de42405aeb0cb

Aliases

arxiv: 1406.6718 · arxiv_version: 1406.6718v2 · doi: 10.48550/arxiv.1406.6718 · pith_short_12: WJDJOC6RIE65 · pith_short_16: WJDJOC6RIE65HFXG · pith_short_8: WJDJOC6R

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/WJDJOC6RIE65HFXGVVT4BOLXTM \
  | 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: b246970bd1413dd396e6ad67c0b9779b2054e9d9cee5f3cfc96de42405aeb0cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba44a309701b97e9a4fc0535dd43003acc9d4f50dd92a21565bd2a8bee70d90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-06-25T21:30:30Z",
    "title_canon_sha256": "bbd8feff0d950108143315c2d41524dacdeedd783379d303734f730d77a0ed9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6718",
    "kind": "arxiv",
    "version": 2
  }
}