Pith Number

pith:ERBUJVPC

pith:2013:ERBUJVPC3WQLABQ4GBSNOA4TN7

not attested not anchored not stored refs pending

Professor "Nonlinear": Obituary and memoir for Roman Juszkiewicz (1952-2012)

Warsaw), Wojciech A. Hellwing (Durham

arxiv:1302.4380 v1 · 2013-02-15 · physics.hist-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERBUJVPC3WQLABQ4GBSNOA4TN7}

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	2026-05-18T03:33:14.713016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244344d5e2dda0b0061c3064d703936fcdd8be243e2834d1d8a97730439ff28c

Aliases

arxiv: 1302.4380 · arxiv_version: 1302.4380v1 · doi: 10.48550/arxiv.1302.4380 · pith_short_12: ERBUJVPC3WQL · pith_short_16: ERBUJVPC3WQLABQ4 · pith_short_8: ERBUJVPC

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/ERBUJVPC3WQLABQ4GBSNOA4TN7 \
  | 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: 244344d5e2dda0b0061c3064d703936fcdd8be243e2834d1d8a97730439ff28c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59641df8fd95c78fc4e89cf99f31392b58b513cb9476d4ea253c9afc349a3b65",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-02-15T15:25:24Z",
    "title_canon_sha256": "9e272fd81bd77bf5dfef05f1b9f05c0fd875ef6194abc0138e1003481fb24f5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4380",
    "kind": "arxiv",
    "version": 1
  }
}