Pith Number

pith:WA7AN55A

pith:2010:WA7AN55AKV7YMQLIEBOBSH6AFE

not attested not anchored not stored refs pending

Partially ordered secretaries

Johan W\"astlund, Ragnar Freij

arxiv:1008.3310 v2 · 2010-08-19 · math.OC · cs.DS · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WA7AN55AKV7YMQLIEBOBSH6AFE}

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	2026-05-18T04:39:50.101641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b03e06f7a0557f864168205c191fc029052345139385e11af280046d0a6a90f2

Aliases

arxiv: 1008.3310 · arxiv_version: 1008.3310v2 · doi: 10.48550/arxiv.1008.3310 · pith_short_12: WA7AN55AKV7Y · pith_short_16: WA7AN55AKV7YMQLI · pith_short_8: WA7AN55A

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/WA7AN55AKV7YMQLIEBOBSH6AFE \
  | 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: b03e06f7a0557f864168205c191fc029052345139385e11af280046d0a6a90f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2404a549d7e7fb3e9c959b911a870c6fdcc6d5fdce46469085eccb56c865a974",
    "cross_cats_sorted": [
      "cs.DS",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-08-19T14:32:09Z",
    "title_canon_sha256": "b727403953fa58f224b492376917f66bea3240246b2cea7cb1f3ca5d493c80da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3310",
    "kind": "arxiv",
    "version": 2
  }
}