Pith Number

pith:ZJLZJQVR

pith:2012:ZJLZJQVRWZXG3KZKWLWH6GOLGC

not attested not anchored not stored refs pending

Transport Problems and Disintegration Maps

F. Maddalena, L. Granieri

arxiv:1207.4026 v1 · 2012-07-17 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZJLZJQVRWZXG3KZKWLWH6GOLGC}

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	2026-05-18T03:50:49.207290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca5794c2b1b66e6dab2ab2ec7f19cb3097635d1713adb0969951ae351e5d5c98

Aliases

arxiv: 1207.4026 · arxiv_version: 1207.4026v1 · doi: 10.48550/arxiv.1207.4026 · pith_short_12: ZJLZJQVRWZXG · pith_short_16: ZJLZJQVRWZXG3KZK · pith_short_8: ZJLZJQVR

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/ZJLZJQVRWZXG3KZKWLWH6GOLGC \
  | 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: ca5794c2b1b66e6dab2ab2ec7f19cb3097635d1713adb0969951ae351e5d5c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "675fbb38a45b8d96f33d933fe595f42c1d92a52ee32280f737aadd398920a74c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-07-17T15:18:43Z",
    "title_canon_sha256": "fddeaa1c389b5ff9bfa252dd8572a6fe4efb9699269bc1cf9b15aea30de03929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4026",
    "kind": "arxiv",
    "version": 1
  }
}