Pith Number

pith:RNERO7AX

pith:2013:RNERO7AXUETWYBLLVGX26LMJ65

not attested not anchored not stored refs pending

From A-spaces to arbitrary spaces via spatial fibrous preorders

N. Martins-Ferreira

arxiv:1307.8307 v1 · 2013-07-31 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RNERO7AXUETWYBLLVGX26LMJ65}

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	2026-05-18T03:17:01.654672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b49177c17a1276c056ba9afaf2d89f742433c1fa2618fec9254123ddae3efe1

Aliases

arxiv: 1307.8307 · arxiv_version: 1307.8307v1 · doi: 10.48550/arxiv.1307.8307 · pith_short_12: RNERO7AXUETW · pith_short_16: RNERO7AXUETWYBLL · pith_short_8: RNERO7AX

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/RNERO7AXUETWYBLLVGX26LMJ65 \
  | 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: 8b49177c17a1276c056ba9afaf2d89f742433c1fa2618fec9254123ddae3efe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81c4445d77867be9182e139571fabc82bfb0e886e1bcde24c4ed760d278a3c9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2013-07-31T12:56:23Z",
    "title_canon_sha256": "9d0fc742a41d731869ecea73752d4fdfb959a7fd9f3d8d1a0cbf24c08ddedab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8307",
    "kind": "arxiv",
    "version": 1
  }
}