Pith Number

pith:SCUTNFJE

pith:2016:SCUTNFJERHIKJ5WNF5BBBSMYA5

not attested not anchored not stored refs pending

An experimental investigation of Neumann's conjecture

Peter Huston, Stephen Gilles

arxiv:1609.08719 v1 · 2016-09-28 · 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{SCUTNFJERHIKJ5WNF5BBBSMYA5}

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	2026-05-18T01:03:42.102362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a936952489d0a4f6cd2f4210c9980771e92dc2a9abc3e9be1609b00b096033

Aliases

arxiv: 1609.08719 · arxiv_version: 1609.08719v1 · doi: 10.48550/arxiv.1609.08719 · pith_short_12: SCUTNFJERHIK · pith_short_16: SCUTNFJERHIKJ5WN · pith_short_8: SCUTNFJE

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/SCUTNFJERHIKJ5WNF5BBBSMYA5 \
  | 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: 90a936952489d0a4f6cd2f4210c9980771e92dc2a9abc3e9be1609b00b096033

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19819cdae03cc6ad6e2a320f9227afe933f3ca781b6149db0ff26fbe3add3af2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-09-28T01:23:32Z",
    "title_canon_sha256": "6e2bc084df21d82f2f886bcb1465245add24458b413841856abe5eff41774f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08719",
    "kind": "arxiv",
    "version": 1
  }
}