Pith Number

pith:2GJ6YINX

pith:2017:2GJ6YINX7KBTEGMOKQFXMSFEEQ

not attested not anchored not stored refs pending

Sums of finitely many distinct rationals

David Hobby, Donald Silberger, Sylvia Silberger

arxiv:1702.01316 v2 · 2017-02-04 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GJ6YINX7KBTEGMOKQFXMSFEEQ}

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	2026-05-17T23:53:44.557251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d193ec21b7fa8332198e540b7648a4242fd6b876551d8fa29a9d3079fdeb99a5

Aliases

arxiv: 1702.01316 · arxiv_version: 1702.01316v2 · doi: 10.48550/arxiv.1702.01316 · pith_short_12: 2GJ6YINX7KBT · pith_short_16: 2GJ6YINX7KBTEGMO · pith_short_8: 2GJ6YINX

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/2GJ6YINX7KBTEGMOKQFXMSFEEQ \
  | 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: d193ec21b7fa8332198e540b7648a4242fd6b876551d8fa29a9d3079fdeb99a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff18084d113b7d60768c4abfaded79dfcf6e2b59471a87256e8c813accba2388",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-02-04T17:56:04Z",
    "title_canon_sha256": "4f5a274ae9b5e200d6fd8a95cd466d3a9d35685fa2d75b99e88f4a431adb899e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01316",
    "kind": "arxiv",
    "version": 2
  }
}