Pith Number

pith:7DJWBPI2

pith:2019:7DJWBPI2KEVHPJAT4PMD6DIIYV

not attested not anchored not stored refs pending

Programming and Symbolic Computation in Maude

Carolyn Talcott, Francisco Dur\'an, Jos\'e Meseguer, Narciso Mart\'i-Oliet, Rub\'en Rubio, Santiago Escobar, Steven Eker

arxiv:1910.08416 v1 · 2019-10-18 · cs.LO · cs.PL · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DJWBPI2KEVHPJAT4PMD6DIIYV}

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	2026-07-05T00:13:08.849970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8d360bd1a512a77a413e3d83f0d08c548c00794ad132bcee51adfe19153fbad

Aliases

arxiv: 1910.08416 · arxiv_version: 1910.08416v1 · doi: 10.48550/arxiv.1910.08416 · pith_short_12: 7DJWBPI2KEVH · pith_short_16: 7DJWBPI2KEVHPJAT · pith_short_8: 7DJWBPI2

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/7DJWBPI2KEVHPJAT4PMD6DIIYV \
  | 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: f8d360bd1a512a77a413e3d83f0d08c548c00794ad132bcee51adfe19153fbad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9836b931e14960a0bbdba82406473d74d9e7de4989b960f2e2e61afe0520791c",
    "cross_cats_sorted": [
      "cs.PL",
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-10-18T13:38:57Z",
    "title_canon_sha256": "bc842663117b2750a34762d1a6b5eaa2f31d6d8a2c49c73b53f83416fa52ef97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08416",
    "kind": "arxiv",
    "version": 1
  }
}