Pith Number

pith:DPTIZVXF

pith:2015:DPTIZVXF4AQX4GWVSMDKNFPFOR

not attested not anchored not stored refs pending

Typical points of univoque sets

Derong Kong, Fan L\"u

arxiv:1507.01170 v2 · 2015-07-05 · math.NT · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPTIZVXF4AQX4GWVSMDKNFPFOR}

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	2026-05-18T01:27:45.892537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be68cd6e5e0217e1ad59306a695e57468ec149b9b0ff0b9f18e21c2c0683085

Aliases

arxiv: 1507.01170 · arxiv_version: 1507.01170v2 · doi: 10.48550/arxiv.1507.01170 · pith_short_12: DPTIZVXF4AQX · pith_short_16: DPTIZVXF4AQX4GWV · pith_short_8: DPTIZVXF

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/DPTIZVXF4AQX4GWVSMDKNFPFOR \
  | 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: 1be68cd6e5e0217e1ad59306a695e57468ec149b9b0ff0b9f18e21c2c0683085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a341f63c9f173ed20c24a6b0936f0136a1de556fa917a59aefaeb69384311e1a",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-07-05T06:21:40Z",
    "title_canon_sha256": "8d8fbc6a9b195fb6642ef4425f69c56fea882e0a976c599b1d1cae6724a83030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01170",
    "kind": "arxiv",
    "version": 2
  }
}