Pith Number

pith:2MRWULJI

pith:2015:2MRWULJIYSPYBBEI2UHCLCG36F

not attested not anchored not stored refs pending

A proposal for regularly updated review/survey articles: "Perpetual Reviews"

Daniel M. Zuckerman, David L. Mobley

arxiv:1502.01329 v2 · 2015-02-03 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MRWULJIYSPYBBEI2UHCLCG36F}

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	2026-05-18T02:27:43.716017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3236a2d28c49f808488d50e2588dbf174ca456d57d346ad1a3a3086adf667ba

Aliases

arxiv: 1502.01329 · arxiv_version: 1502.01329v2 · doi: 10.48550/arxiv.1502.01329 · pith_short_12: 2MRWULJIYSPY · pith_short_16: 2MRWULJIYSPYBBEI · pith_short_8: 2MRWULJI

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/2MRWULJIYSPYBBEI2UHCLCG36F \
  | 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: d3236a2d28c49f808488d50e2588dbf174ca456d57d346ad1a3a3086adf667ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf9d83dc4fe63c534a3d37d6abea7f76b8b94404c08bd540a68fbc74960e86f1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-02-03T17:16:42Z",
    "title_canon_sha256": "1d6ebdf8779b502225038e9840378183c5f9f6bb50d1e884883569ff2cb38c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01329",
    "kind": "arxiv",
    "version": 2
  }
}