Pith Number

pith:P3D7ROTJ

pith:2013:P3D7ROTJN7VCXKHNQMZFTZMWDG

not attested not anchored not stored refs pending

Senescent Ground Tree Rewrite Systems

Matthew Hague

arxiv:1311.4915 v1 · 2013-11-19 · cs.FL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3D7ROTJN7VCXKHNQMZFTZMWDG}

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	2026-05-18T03:06:42.439487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ec7f8ba696fea2ba8ed833259e5961990c3e3470036fa775a70b8f84c7012d5

Aliases

arxiv: 1311.4915 · arxiv_version: 1311.4915v1 · doi: 10.48550/arxiv.1311.4915 · pith_short_12: P3D7ROTJN7VC · pith_short_16: P3D7ROTJN7VCXKHN · pith_short_8: P3D7ROTJ

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/P3D7ROTJN7VCXKHNQMZFTZMWDG \
  | 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: 7ec7f8ba696fea2ba8ed833259e5961990c3e3470036fa775a70b8f84c7012d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f7a7a4329460e21d7b45c7bdbf183555940edf7790374529a03786de63c461d",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-11-19T23:03:10Z",
    "title_canon_sha256": "a1c43fb134386e4985f2f8d6a085e08c82ddb3b8ae3dd6fdda404ac77dc02c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4915",
    "kind": "arxiv",
    "version": 1
  }
}