Pith Number

pith:BC5TVPP5

pith:2017:BC5TVPP5UWDEHBVIRQC44DJ53T

not attested not anchored not stored refs pending

Quasispheres and metric doubling measures

Atte Lohvansuu, Kai Rajala, Martti Rasimus

arxiv:1701.06345 v2 · 2017-01-23 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BC5TVPP5UWDEHBVIRQC44DJ53T}

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	2026-05-18T00:33:52.729883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08bb3abdfda5864386a88c05ce0d3ddced687d197e6d5fa0d3b781269d202a49

Aliases

arxiv: 1701.06345 · arxiv_version: 1701.06345v2 · doi: 10.48550/arxiv.1701.06345 · pith_short_12: BC5TVPP5UWDE · pith_short_16: BC5TVPP5UWDEHBVI · pith_short_8: BC5TVPP5

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/BC5TVPP5UWDEHBVIRQC44DJ53T \
  | 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: 08bb3abdfda5864386a88c05ce0d3ddced687d197e6d5fa0d3b781269d202a49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dd5dc2e377a9d817af76f621cd3101a20ef0e49a0be2f8c8d0a1469abecfd67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-01-23T11:46:53Z",
    "title_canon_sha256": "872049775bc28793d49fd2a9835cd6de6200a8949408ccb23522e5115153c683"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06345",
    "kind": "arxiv",
    "version": 2
  }
}