Pith Number

pith:5FS752N7

pith:2014:5FS752N7YAYMU5CXBREX6RO3WK

not attested not anchored not stored refs pending

On definably proper maps

Luca Prelli, Marcello Mamino, M\'ario Edmundo

arxiv:1404.6634 v4 · 2014-04-26 · 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{5FS752N7YAYMU5CXBREX6RO3WK}

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	2026-05-18T01:37:02.341380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e965fee9bfc030ca74570c497f45dbb2972c1302d103e0586aa762f0d2dd185a

Aliases

arxiv: 1404.6634 · arxiv_version: 1404.6634v4 · doi: 10.48550/arxiv.1404.6634 · pith_short_12: 5FS752N7YAYM · pith_short_16: 5FS752N7YAYMU5CX · pith_short_8: 5FS752N7

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/5FS752N7YAYMU5CXBREX6RO3WK \
  | 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: e965fee9bfc030ca74570c497f45dbb2972c1302d103e0586aa762f0d2dd185a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e1763128075eae322fa817b59d7129538d3c949c65d22a4382b28787fd73257",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-04-26T11:00:42Z",
    "title_canon_sha256": "c3adc3e6f93360f0d30a6b0b733b1f386fd650f875d7dda1491ff28af1b0e93c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6634",
    "kind": "arxiv",
    "version": 4
  }
}