Pith Number

pith:B4XQ527N

pith:2018:B4XQ527N6OKFI4GSUWXO4X7LZT

not attested not anchored not stored refs pending

Erlang Code Evolution Control (Use Cases)

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

arxiv:1802.03998 v1 · 2018-02-12 · 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{B4XQ527N6OKFI4GSUWXO4X7LZT}

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	2026-05-18T00:23:49.770684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f2f0eebedf3945470d2a5aeee5febccc45049e7cb578270a3a53fc47ab39bc1

Aliases

arxiv: 1802.03998 · arxiv_version: 1802.03998v1 · doi: 10.48550/arxiv.1802.03998 · pith_short_12: B4XQ527N6OKF · pith_short_16: B4XQ527N6OKFI4GS · pith_short_8: B4XQ527N

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/B4XQ527N6OKFI4GSUWXO4X7LZT \
  | 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: 0f2f0eebedf3945470d2a5aeee5febccc45049e7cb578270a3a53fc47ab39bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "580d5bbecf4fdffdffc56693aea0c52201b7a5d231ba6cecee42808fca9772ff",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-02-12T12:04:49Z",
    "title_canon_sha256": "bc37e25f54e84ec7cf0193db905b7fbb6bc08b1867ff075f0bcf6e77d26cf570"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03998",
    "kind": "arxiv",
    "version": 1
  }
}