Pith Number

pith:IEOQEYVC

pith:2019:IEOQEYVCZFQJ7VZACCE5IX6NAM

not attested not anchored not stored refs pending

Brief Notes and History Computing in Mexico during 50 years

Christian Lemaitre, Genaro J. Martinez, Juan C. Seck-Tuoh-Mora, Sergio V. Chapa-Vergara

arxiv:1905.07527 v1 · 2019-05-18 · cs.GL · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEOQEYVCZFQJ7VZACCE5IX6NAM}

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	2026-05-17T23:45:49.446843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411d0262a2c9609fd7201089d45fcd032d6a1e9a3457e0a2b00315d2bba54efc

Aliases

arxiv: 1905.07527 · arxiv_version: 1905.07527v1 · doi: 10.48550/arxiv.1905.07527 · pith_short_12: IEOQEYVCZFQJ · pith_short_16: IEOQEYVCZFQJ7VZA · pith_short_8: IEOQEYVC

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/IEOQEYVCZFQJ7VZACCE5IX6NAM \
  | 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: 411d0262a2c9609fd7201089d45fcd032d6a1e9a3457e0a2b00315d2bba54efc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ed3949f51bfc547b978b53a7b316abb2164708def950be63806441db895383",
    "cross_cats_sorted": [
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GL",
    "submitted_at": "2019-05-18T03:23:59Z",
    "title_canon_sha256": "e2a3191b51e17f2bef7d90591f34c85d26309f2fe564f045d4d8a67bb6ed6d7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07527",
    "kind": "arxiv",
    "version": 1
  }
}