Pith Number

pith:DD4HTZX4

pith:2017:DD4HTZX4K4LZBF5L46PEY7A5OU

not attested not anchored not stored refs pending

On amicable tuples

Yuta Suzuki

arxiv:1711.06847 v1 · 2017-11-18 · 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{DD4HTZX4K4LZBF5L46PEY7A5OU}

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	2026-05-18T00:30:15.400575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18f879e6fc57179097abe79e4c7c1d751d4623db28b62e2f8359d62036f0a971

Aliases

arxiv: 1711.06847 · arxiv_version: 1711.06847v1 · doi: 10.48550/arxiv.1711.06847 · pith_short_12: DD4HTZX4K4LZ · pith_short_16: DD4HTZX4K4LZBF5L · pith_short_8: DD4HTZX4

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/DD4HTZX4K4LZBF5L46PEY7A5OU \
  | 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: 18f879e6fc57179097abe79e4c7c1d751d4623db28b62e2f8359d62036f0a971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3a4d6c0027231c1590ab3c1475043740da0411cc05052e0c661f59bdb5fc31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-11-18T11:42:33Z",
    "title_canon_sha256": "8356d2aef66e1a8f010bd5244ad1bf0bc691b45af7998fb9da8f1859d901ebc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06847",
    "kind": "arxiv",
    "version": 1
  }
}