Pith Number

pith:5K5XZKBF

pith:2018:5K5XZKBFIXJAW7P5C3LIRAGS7R

not attested not anchored not stored refs pending

On Exact Polya and Putinar's Representations

Mohab Safey El Din, Victor Magron

arxiv:1802.10339 v1 · 2018-02-28 · cs.SC

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

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	2026-05-18T00:22:17.442151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eabb7ca82545d20b7dfd16d68880d2fc46673ea27083d1a68477be401ca473fb

Aliases

arxiv: 1802.10339 · arxiv_version: 1802.10339v1 · doi: 10.48550/arxiv.1802.10339 · pith_short_12: 5K5XZKBFIXJA · pith_short_16: 5K5XZKBFIXJAW7P5 · pith_short_8: 5K5XZKBF

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/5K5XZKBFIXJAW7P5C3LIRAGS7R \
  | 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: eabb7ca82545d20b7dfd16d68880d2fc46673ea27083d1a68477be401ca473fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6deb1d1fd6010751887ba7dcb707014ebb9ded52e348bec1fcdec7a8f43bac25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2018-02-28T10:17:04Z",
    "title_canon_sha256": "f623d0f6365cb89e12800ee6398a023d779193e9cd325604f36ea925fed799f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10339",
    "kind": "arxiv",
    "version": 1
  }
}