Pith Number

pith:4YA4OBIL

pith:2015:4YA4OBILSGE76YDD7A4GJVEZVN

not attested not anchored not stored refs pending

A more general Pandora's rule?

Richard Weber, Wojciech Olszewski

arxiv:1509.09095 v1 · 2015-09-30 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YA4OBILSGE76YDD7A4GJVEZVN}

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	2026-05-18T01:31:29.053154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e601c7050b9189ff6063f83864d499ab426b1ee06e12f9ae476fb3f14fe2f89b

Aliases

arxiv: 1509.09095 · arxiv_version: 1509.09095v1 · doi: 10.48550/arxiv.1509.09095 · pith_short_12: 4YA4OBILSGE7 · pith_short_16: 4YA4OBILSGE76YDD · pith_short_8: 4YA4OBIL

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/4YA4OBILSGE76YDD7A4GJVEZVN \
  | 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: e601c7050b9189ff6063f83864d499ab426b1ee06e12f9ae476fb3f14fe2f89b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccc018d0ab60cded5a9f5a9b0c106b26ede4dde40805ac36e241ac2fe2c9b475",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-09-30T09:30:54Z",
    "title_canon_sha256": "d78c2c335c420ef1139ad34aae0b223b575da29976d280f8b996299c9d9caadc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.09095",
    "kind": "arxiv",
    "version": 1
  }
}