Pith Number

pith:6T4GK6KM

pith:2015:6T4GK6KMRG6MOHV4B6HQOGWNY3

not attested not anchored not stored refs pending

Spherical metrics with conical singularities on a 2-sphere: angle constraints

Dmitri Panov, Gabriele Mondello

arxiv:1505.01994 v1 · 2015-05-08 · 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{6T4GK6KMRG6MOHV4B6HQOGWNY3}

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	2026-05-18T01:21:40.737277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4f865794c89bcc71ebc0f8f071acdc6c011f74c59545b4a6c39669475735775

Aliases

arxiv: 1505.01994 · arxiv_version: 1505.01994v1 · doi: 10.48550/arxiv.1505.01994 · pith_short_12: 6T4GK6KMRG6M · pith_short_16: 6T4GK6KMRG6MOHV4 · pith_short_8: 6T4GK6KM

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/6T4GK6KMRG6MOHV4B6HQOGWNY3 \
  | 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: f4f865794c89bcc71ebc0f8f071acdc6c011f74c59545b4a6c39669475735775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2222700e53ac94fd81353ccac9ec7c1a9816fa5b9f8d3eeb23e856ad860c8eeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-05-08T11:08:35Z",
    "title_canon_sha256": "4e4f0db6445fc6694b1afe8604121e4c173a4f0b8b33f6244634a7c6ad16412c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01994",
    "kind": "arxiv",
    "version": 1
  }
}