pith. sign in
Pith Number

pith:ATD2PKJ5

pith:2014:ATD2PKJ5AKXCIZDWSJM2WMFBJ4
not attested not anchored not stored refs pending

Directions in Type I spaces

Mathieu Baillif

arxiv:1404.1398 v1 · 2014-04-04 · math.GN

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ATD2PKJ5AKXCIZDWSJM2WMFBJ4}

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 2026-05-18T02:54:46.300034Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

04c7a7a93d02ae2464769259ab30a14f2fe052910bcbec707bd49c29f8ca4e37

Aliases

arxiv: 1404.1398 · arxiv_version: 1404.1398v1 · doi: 10.48550/arxiv.1404.1398 · pith_short_12: ATD2PKJ5AKXC · pith_short_16: ATD2PKJ5AKXCIZDW · pith_short_8: ATD2PKJ5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ATD2PKJ5AKXCIZDWSJM2WMFBJ4 \
  | 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: 04c7a7a93d02ae2464769259ab30a14f2fe052910bcbec707bd49c29f8ca4e37
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "082fe57b370daa51183ece36d7d21bca2878bce56a3feda7015c94c07f890c6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-04-04T21:32:47Z",
    "title_canon_sha256": "42a46307b2b17e3e9f3e590b29d6b5a1e83509822a6ae311688cbf89386aa038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1398",
    "kind": "arxiv",
    "version": 1
  }
}