Pith Number

pith:QSP6M7LK

pith:2014:QSP6M7LKTMD7JICQ6CKBDIFIWJ

not attested not anchored not stored refs pending

On surfaces with conical singularities of arbitrary angle

Charalampos Charitos, Georgios Tsapogas, Ioannis Papadoperakis

arxiv:1412.3404 v1 · 2014-12-10 · math.GT · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSP6M7LKTMD7JICQ6CKBDIFIWJ}

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	2026-05-18T02:31:36.765746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

849fe67d6a9b07f4a050f09411a0a8b267a8413b3073fc03988d546f96527e0a

Aliases

arxiv: 1412.3404 · arxiv_version: 1412.3404v1 · doi: 10.48550/arxiv.1412.3404 · pith_short_12: QSP6M7LKTMD7 · pith_short_16: QSP6M7LKTMD7JICQ · pith_short_8: QSP6M7LK

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/QSP6M7LKTMD7JICQ6CKBDIFIWJ \
  | 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: 849fe67d6a9b07f4a050f09411a0a8b267a8413b3073fc03988d546f96527e0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70633be796e2dbf4dbd50401a0ccde941e97937ccd43d04aec266bda284e7db5",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-12-10T18:45:13Z",
    "title_canon_sha256": "f86f4333740cb505e0fb3b16c6d6c46d9708f92fa628e963781f17781daed257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3404",
    "kind": "arxiv",
    "version": 1
  }
}