Pith Number

pith:P4KOQFCQ

pith:2015:P4KOQFCQKRIHXR2LZJYOS7UKFX

not attested not anchored not stored refs pending

Privacy for the Protected (Only)

Aaron Roth, Grigory Yaroslavtsev, Michael Kearns, Zhiwei Steven Wu

arxiv:1506.00242 v1 · 2015-05-31 · cs.DS · cs.CR · cs.CY · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4KOQFCQKRIHXR2LZJYOS7UKFX}

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	2026-05-18T01:59:55.109701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f14e8145054507bc74bca70e97e8a2dd82391c1bf5e252150ba8362ad23a523

Aliases

arxiv: 1506.00242 · arxiv_version: 1506.00242v1 · doi: 10.48550/arxiv.1506.00242 · pith_short_12: P4KOQFCQKRIH · pith_short_16: P4KOQFCQKRIHXR2L · pith_short_8: P4KOQFCQ

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/P4KOQFCQKRIHXR2LZJYOS7UKFX \
  | 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: 7f14e8145054507bc74bca70e97e8a2dd82391c1bf5e252150ba8362ad23a523

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309a036adb21991c535c04faa75d0afab6d3266d665b3f652f3f84e439f7a1cc",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.CY",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-05-31T14:47:27Z",
    "title_canon_sha256": "fdb683b98f73550cfb6036677e596e3b1f87751a8b2c38f0b6bc1401376dbf7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00242",
    "kind": "arxiv",
    "version": 1
  }
}