Pith Number

pith:YZG4TTM4

pith:2013:YZG4TTM42NX4DCMCD3KRRYOEKM

not attested not anchored not stored refs pending

p-adic interpolation of iterates

Bjorn Poonen

arxiv:1307.5887 v1 · 2013-07-22 · math.DS · 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{YZG4TTM42NX4DCMCD3KRRYOEKM}

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	2026-05-18T00:47:34.111026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c64dc9cd9cd36fc189821ed518e1c4531dad949d24780dd2df69ea2fcfe9e5cb

Aliases

arxiv: 1307.5887 · arxiv_version: 1307.5887v1 · doi: 10.48550/arxiv.1307.5887 · pith_short_12: YZG4TTM42NX4 · pith_short_16: YZG4TTM42NX4DCMC · pith_short_8: YZG4TTM4

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/YZG4TTM42NX4DCMCD3KRRYOEKM \
  | 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: c64dc9cd9cd36fc189821ed518e1c4531dad949d24780dd2df69ea2fcfe9e5cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a701c6014fc4adf2678e3870aa3fab563ef9a8ad3eb526a1ed37f982b11f7ea",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-07-22T20:58:01Z",
    "title_canon_sha256": "fed235807d8983d5350437331c71f68d88ab9f371f833064393b10350b2113d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5887",
    "kind": "arxiv",
    "version": 1
  }
}