Pith Number

pith:FB6ZPJ5P

pith:2020:FB6ZPJ5PRHMJ2BBZHY7BWG3H3S

not attested not anchored not stored refs pending

Similarity Between Points in Metric Measure Spaces

Alexander Wolpert, Evgeny Dantsin

arxiv:2011.00616 v1 · 2020-11-01 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FB6ZPJ5PRHMJ2BBZHY7BWG3H3S}

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	2026-07-05T01:48:17.932698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

287d97a7af89d89d04393e3e1b1b67dcafb5f0f3bbd93da99065cbcc88ef5e44

Aliases

arxiv: 2011.00616 · arxiv_version: 2011.00616v1 · doi: 10.48550/arxiv.2011.00616 · pith_short_12: FB6ZPJ5PRHMJ · pith_short_16: FB6ZPJ5PRHMJ2BBZ · pith_short_8: FB6ZPJ5P

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/FB6ZPJ5PRHMJ2BBZHY7BWG3H3S \
  | 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: 287d97a7af89d89d04393e3e1b1b67dcafb5f0f3bbd93da99065cbcc88ef5e44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98e3a6424da0a92793574f412e957ce0accdfea2ee32b7858a3ffc6d769f38b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2020-11-01T19:52:54Z",
    "title_canon_sha256": "c7bd61840e8f873fc0e51d9e5dcadeded87d7965a6c2d6c4931ee6f1cd1036b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.00616",
    "kind": "arxiv",
    "version": 1
  }
}