Pith Number

pith:ZW7SENJR

pith:2015:ZW7SENJROYEMG5ZDEFKWXOOERC

not attested not anchored not stored refs pending

Reversing Single Sessions

Francesco Tiezzi, Nobuko Yoshida

arxiv:1510.07253 v2 · 2015-10-25 · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZW7SENJROYEMG5ZDEFKWXOOERC}

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	2026-05-18T01:17:30.488367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdbf2235317608c3772321556bb9c48895c88111a058729cd80625530e09fbd1

Aliases

arxiv: 1510.07253 · arxiv_version: 1510.07253v2 · doi: 10.48550/arxiv.1510.07253 · pith_short_12: ZW7SENJROYEM · pith_short_16: ZW7SENJROYEMG5ZD · pith_short_8: ZW7SENJR

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/ZW7SENJROYEMG5ZDEFKWXOOERC \
  | 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: cdbf2235317608c3772321556bb9c48895c88111a058729cd80625530e09fbd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33072c83188f094d602485b3c1032f04ca9b2ed12e52914db0f8cba9f6eade38",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-10-25T14:41:33Z",
    "title_canon_sha256": "b1a6d9c46f2f32f68e8a2f488d7220de4132fcf0d7ec858b6b7c398e725351e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07253",
    "kind": "arxiv",
    "version": 2
  }
}