Pith Number

pith:EE6R2XSK

pith:2013:EE6R2XSKV7RXKLOP6GL3EHQMQK

not attested not anchored not stored refs pending

Foliations of Minkowski $2+1$ spacetime by crooked planes

Virginie Charette, Youngju Kim

arxiv:1312.6674 v1 · 2013-12-23 · 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{EE6R2XSKV7RXKLOP6GL3EHQMQK}

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	2026-05-18T03:03:57.229927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

213d1d5e4aafe3752dcff197b21e0c828920a8e91a76b928190611c575da7ace

Aliases

arxiv: 1312.6674 · arxiv_version: 1312.6674v1 · doi: 10.48550/arxiv.1312.6674 · pith_short_12: EE6R2XSKV7RX · pith_short_16: EE6R2XSKV7RXKLOP · pith_short_8: EE6R2XSK

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/EE6R2XSKV7RXKLOP6GL3EHQMQK \
  | 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: 213d1d5e4aafe3752dcff197b21e0c828920a8e91a76b928190611c575da7ace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bb7d8e8ed666defd3b8d63c25f6d440cb490249205fb871d37cb1b0ce2fd836",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-12-23T20:53:51Z",
    "title_canon_sha256": "8e46b405962cd15f186bac6d7e9de282431821f2a6e9452d1706126b6e8f0299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6674",
    "kind": "arxiv",
    "version": 1
  }
}