Pith Number

pith:ZV5QRALM

pith:2018:ZV5QRALMXTN2MKUMGKRXOKN2G4

not attested not anchored not stored refs pending

Finite Ultrametric Balls

O. Dovgoshey

arxiv:1810.03128 v2 · 2018-10-07 · 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{ZV5QRALMXTN2MKUMGKRXOKN2G4}

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	2026-05-17T23:50:38.419755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd7b08816cbcdba62a8c32a37729ba3715dffc596ca81410a14239fe591e7cd3

Aliases

arxiv: 1810.03128 · arxiv_version: 1810.03128v2 · doi: 10.48550/arxiv.1810.03128 · pith_short_12: ZV5QRALMXTN2 · pith_short_16: ZV5QRALMXTN2MKUM · pith_short_8: ZV5QRALM

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/ZV5QRALMXTN2MKUMGKRXOKN2G4 \
  | 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: cd7b08816cbcdba62a8c32a37729ba3715dffc596ca81410a14239fe591e7cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0135fcbca579977998b2c9ddac03ab4db64224f0826cbafc8c07233c590c43a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-10-07T12:17:01Z",
    "title_canon_sha256": "da676b939bf68c02d01ce6dac2a8a46478e6928dbe0195abd96e35a861d279b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03128",
    "kind": "arxiv",
    "version": 2
  }
}