Pith Number

pith:PW6IT6AY

pith:2013:PW6IT6AYUHOF3MNXZYZDU3XG6G

not attested not anchored not stored refs pending

The rolling problem: overview and challenges

Mauricio Godoy Molina, Petri Kokkonen, Yacine Chitour

arxiv:1301.6370 v1 · 2013-01-27 · math.OC · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PW6IT6AYUHOF3MNXZYZDU3XG6G}

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	2026-05-18T01:35:28.395204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dbc89f818a1dc5db1b7ce323a6ee6f1a34da61fbc3aaa45d3e5b050339057b3

Aliases

arxiv: 1301.6370 · arxiv_version: 1301.6370v1 · doi: 10.48550/arxiv.1301.6370 · pith_short_12: PW6IT6AYUHOF · pith_short_16: PW6IT6AYUHOF3MNX · pith_short_8: PW6IT6AY

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/PW6IT6AYUHOF3MNXZYZDU3XG6G \
  | 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: 7dbc89f818a1dc5db1b7ce323a6ee6f1a34da61fbc3aaa45d3e5b050339057b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3676f3e6468a008876ca492c716b456b56e27acb3b3f7a9403b43f4ad3681209",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-01-27T16:06:36Z",
    "title_canon_sha256": "f2432ebeb679ca0c99e2336fa8ae509bfcfcc875723fa4f5a7448f8fffeb2e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6370",
    "kind": "arxiv",
    "version": 1
  }
}