Pith Number

pith:DV7IHLOD

pith:2019:DV7IHLODCLQT76FH2IVIQB5DG2

not attested not anchored not stored refs pending

New classes of projectively related Finsler metrics of constant flag curvature

Georgeta Cretu

arxiv:1908.05305 v2 · 2019-08-14 · 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{DV7IHLODCLQT76FH2IVIQB5DG2}

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	2026-07-05T01:12:22.298851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d7e83adc312e13ff8a7d22a8807a336a041c4513c6c34dfe2971e7c8b3e7dd9

Aliases

arxiv: 1908.05305 · arxiv_version: 1908.05305v2 · doi: 10.48550/arxiv.1908.05305 · pith_short_12: DV7IHLODCLQT · pith_short_16: DV7IHLODCLQT76FH · pith_short_8: DV7IHLOD

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/DV7IHLODCLQT76FH2IVIQB5DG2 \
  | 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: 1d7e83adc312e13ff8a7d22a8807a336a041c4513c6c34dfe2971e7c8b3e7dd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0af556e6f39cae7572af07d8be1b1d9d014f09213a61284d5c4e94110f7eb3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-14T18:46:46Z",
    "title_canon_sha256": "1557a2f9218d7495d8a511487b3c4a8238324eb7f535fe0db3a85e856d3319f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05305",
    "kind": "arxiv",
    "version": 2
  }
}