Pith Number

pith:BBXM6XGM

pith:2014:BBXM6XGMPORMXYQQ5ZRM76GRWO

not attested not anchored not stored refs pending

Hybrid spherical approximation

Alessandra De Rossi

arxiv:1404.1475 v1 · 2014-04-05 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBXM6XGMPORMXYQQ5ZRM76GRWO}

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	2026-05-18T02:54:46.191157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

086ecf5ccc7ba2cbe210ee62cff8d1b3802be5525c8cb7b4aa05d7425aec5956

Aliases

arxiv: 1404.1475 · arxiv_version: 1404.1475v1 · doi: 10.48550/arxiv.1404.1475 · pith_short_12: BBXM6XGMPORM · pith_short_16: BBXM6XGMPORMXYQQ · pith_short_8: BBXM6XGM

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/BBXM6XGMPORMXYQQ5ZRM76GRWO \
  | 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: 086ecf5ccc7ba2cbe210ee62cff8d1b3802be5525c8cb7b4aa05d7425aec5956

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6fb39d701d6740e2bb96c630a71c96e84cb6d7163911c99252037eb249b6538",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-05T13:07:59Z",
    "title_canon_sha256": "c0c8e82bd375d01ef1677aaa9455d6e6538aff6bcdc4c9c4c608e3b6474771e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1475",
    "kind": "arxiv",
    "version": 1
  }
}