Pith Number

pith:DT4MXYSP

pith:2013:DT4MXYSPWB5E4JXMRWQT4BLKXW

not attested not anchored not stored refs pending

Geometric realization of toroidal quadrangulations without hidden symmetries

Serge Lawrencenko

arxiv:1307.1054 v1 · 2013-07-03 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DT4MXYSPWB5E4JXMRWQT4BLKXW}

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	2026-05-18T02:42:54.135502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cf8cbe24fb07a4e26ec8da13e056abda02c7093753bb8568003011236173ede

Aliases

arxiv: 1307.1054 · arxiv_version: 1307.1054v1 · doi: 10.48550/arxiv.1307.1054 · pith_short_12: DT4MXYSPWB5E · pith_short_16: DT4MXYSPWB5E4JXM · pith_short_8: DT4MXYSP

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/DT4MXYSPWB5E4JXMRWQT4BLKXW \
  | 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: 1cf8cbe24fb07a4e26ec8da13e056abda02c7093753bb8568003011236173ede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02dc71beac3f01bf892d39d44177298ed8b542b595a915a19b32508b8c96cada",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-07-03T15:55:47Z",
    "title_canon_sha256": "5aa039442fc8dc7b0f7dc3fe4f838e619fa6653e40eba9ee0774f716ca354578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1054",
    "kind": "arxiv",
    "version": 1
  }
}