Pith Number

pith:M45NOVXG

pith:2015:M45NOVXGPCQYB7HKGERZ7TISNT

not attested not anchored not stored refs pending

On Lorentz spacetimes of constant curvature

Fran\c{c}ois Gu\'eritaud

arxiv:1506.05663 v1 · 2015-06-18 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M45NOVXGPCQYB7HKGERZ7TISNT}

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	2026-05-18T01:44:10.067411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

673ad756e678a180fcea31239fcd126ce34d00c5aa9a48847e4968e3b8584827

Aliases

arxiv: 1506.05663 · arxiv_version: 1506.05663v1 · doi: 10.48550/arxiv.1506.05663 · pith_short_12: M45NOVXGPCQY · pith_short_16: M45NOVXGPCQYB7HK · pith_short_8: M45NOVXG

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/M45NOVXGPCQYB7HKGERZ7TISNT \
  | 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: 673ad756e678a180fcea31239fcd126ce34d00c5aa9a48847e4968e3b8584827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03018fd7933d440cf57cbf422f45d49559d0a0b334c7119827e4237cd16fee87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-06-18T13:05:57Z",
    "title_canon_sha256": "0f95f652313f4baf344ff6eac54e4757fb301a8d66c7baa4d88be79517193995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05663",
    "kind": "arxiv",
    "version": 1
  }
}