Pith Number

pith:3DNI3WPS

pith:2017:3DNI3WPSTVX4ZEFRA3Q5DFDOX3

not attested not anchored not stored refs pending

Erlang Code Evolution Control

David Insa, Josep Silva, Salvador Tamarit, Sergio P\'erez

arxiv:1709.05291 v1 · 2017-09-15 · cs.PL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DNI3WPSTVX4ZEFRA3Q5DFDOX3}

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	2026-05-18T00:35:06.109742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8da8dd9f29d6fcc90b106e1d1946ebee5fe760bf2a13ae63de50634c88d2af7

Aliases

arxiv: 1709.05291 · arxiv_version: 1709.05291v1 · doi: 10.48550/arxiv.1709.05291 · pith_short_12: 3DNI3WPSTVX4 · pith_short_16: 3DNI3WPSTVX4ZEFR · pith_short_8: 3DNI3WPS

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/3DNI3WPSTVX4ZEFRA3Q5DFDOX3 \
  | 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: d8da8dd9f29d6fcc90b106e1d1946ebee5fe760bf2a13ae63de50634c88d2af7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f49bcd1d6af94d47275882efeab14f9adb30f7c7ed08330197d2e55bdb808b27",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-09-15T16:19:40Z",
    "title_canon_sha256": "3708ee747a8715270dffaf143fc018ff307814d0e1314fb1a8950af7173fa838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05291",
    "kind": "arxiv",
    "version": 1
  }
}