Pith Number

pith:N6RMTTEK

pith:2013:N6RMTTEKGDN3VPTL5J5GNJCLYT

not attested not anchored not stored refs pending

Bad fields with torsion

Juan Diego Caycedo, Martin Hils

arxiv:1307.5408 v2 · 2013-07-20 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6RMTTEKGDN3VPTL5J5GNJCLYT}

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	2026-05-18T02:56:21.193285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa2c9cc8a30dbbabe6bea7a66a44bc4f0cb1916b78524c9dbb2fdf7b681713c

Aliases

arxiv: 1307.5408 · arxiv_version: 1307.5408v2 · doi: 10.48550/arxiv.1307.5408 · pith_short_12: N6RMTTEKGDN3 · pith_short_16: N6RMTTEKGDN3VPTL · pith_short_8: N6RMTTEK

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/N6RMTTEKGDN3VPTL5J5GNJCLYT \
  | 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: 6fa2c9cc8a30dbbabe6bea7a66a44bc4f0cb1916b78524c9dbb2fdf7b681713c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86a41bb8da2d60112f92f360aad7fa77a5a0ea02864ed9d7415f1720f76d292",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-07-20T11:00:35Z",
    "title_canon_sha256": "4cc0feda9d896ebcbbf73c75ade21131a1760a1a4622da57b775c3cec64c919f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5408",
    "kind": "arxiv",
    "version": 2
  }
}