Pith Number

pith:4X6CFXIZ

pith:2012:4X6CFXIZIEWPAQJD4WBZUFGDMZ

not attested not anchored not stored refs pending

Connection preserving actions are topologically engaging

A. Candel, R. Quiroga-Barranco

arxiv:1201.2194 v1 · 2012-01-10 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4X6CFXIZIEWPAQJD4WBZUFGDMZ}

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	2026-05-18T04:04:52.872175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5fc22dd19412cf04123e5839a14c3665f1b3316c12cdce80a5d5165a09cf35d

Aliases

arxiv: 1201.2194 · arxiv_version: 1201.2194v1 · doi: 10.48550/arxiv.1201.2194 · pith_short_12: 4X6CFXIZIEWP · pith_short_16: 4X6CFXIZIEWPAQJD · pith_short_8: 4X6CFXIZ

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/4X6CFXIZIEWPAQJD4WBZUFGDMZ \
  | 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: e5fc22dd19412cf04123e5839a14c3665f1b3316c12cdce80a5d5165a09cf35d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c33d2ec1cc8e126598f1a35f5571e716c73ab815ac03bc4d5bb9f1f5202747e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-01-10T21:37:25Z",
    "title_canon_sha256": "a7d973f9d83530ab50f73b13a75408043293fc0c9d0c74158a79cee8a75f2cc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2194",
    "kind": "arxiv",
    "version": 1
  }
}