Pith Number

pith:S6XPUAAU

pith:2015:S6XPUAAUSMQFLQZSBL2FT3VS6I

not attested not anchored not stored refs pending

Septic equations are solvable by 2-fold origami

Dmitri Nedrenco, Joachim K\"onig

arxiv:1504.07090 v1 · 2015-04-27 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S6XPUAAUSMQFLQZSBL2FT3VS6I}

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	2026-05-18T02:17:43.702373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97aefa0014932055c3320af459eeb2f234543ef673f4a99d356d4e0507efb0c8

Aliases

arxiv: 1504.07090 · arxiv_version: 1504.07090v1 · doi: 10.48550/arxiv.1504.07090 · pith_short_12: S6XPUAAUSMQF · pith_short_16: S6XPUAAUSMQFLQZS · pith_short_8: S6XPUAAU

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/S6XPUAAUSMQFLQZSBL2FT3VS6I \
  | 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: 97aefa0014932055c3320af459eeb2f234543ef673f4a99d356d4e0507efb0c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e715a2617562a4561836c929cc1677a412fc444b5e4206854e100953e509d607",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-04-27T13:53:00Z",
    "title_canon_sha256": "65ddcafe9c16d81e30b17afd34a300655fc7e75752bb61734d87ef4c3ed10f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07090",
    "kind": "arxiv",
    "version": 1
  }
}