Pith Number

pith:SCUDUW6G

pith:2011:SCUDUW6GSFUC7PYN6DEQZMF4C7

not attested not anchored not stored refs pending

The Distance Function on a Computable Graph

Jennifer Chubb Reimann, Russell Miller, Wesley Calvert

arxiv:1111.2480 v1 · 2011-11-10 · math.LO · cs.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{SCUDUW6GSFUC7PYN6DEQZMF4C7}

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	2026-05-18T00:24:02.578481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a83a5bc691682fbf0df0c90cb0bc17c263c601e4cdde710af0f3a1e2757a15

Aliases

arxiv: 1111.2480 · arxiv_version: 1111.2480v1 · doi: 10.48550/arxiv.1111.2480 · pith_short_12: SCUDUW6GSFUC · pith_short_16: SCUDUW6GSFUC7PYN · pith_short_8: SCUDUW6G

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/SCUDUW6GSFUC7PYN6DEQZMF4C7 \
  | 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: 90a83a5bc691682fbf0df0c90cb0bc17c263c601e4cdde710af0f3a1e2757a15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "237dfd99138f9c34a3ab8ee6fe90f4282d81478e8fba07912a5f16349679a163",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-11-10T14:17:27Z",
    "title_canon_sha256": "03b3afc680e551a8eb164ffa92ae2b3b067411394a303c5cce6068ab79f6bd87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2480",
    "kind": "arxiv",
    "version": 1
  }
}