Pith Number

pith:2MY4TR6Y

pith:2013:2MY4TR6YZBYOML5UYQVZVEIUMN

not attested not anchored not stored refs pending

An integer optimization problem for non-Hamiltonian periodic flows

\'Alvaro Pelayo, Silvia Sabatini

arxiv:1307.6766 v1 · 2013-07-25 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MY4TR6YZBYOML5UYQVZVEIUMN}

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	2026-05-18T03:17:34.722468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d331c9c7d8c870e62fb4c42b9a91146346491a95232f048b18f3a672eac54d1b

Aliases

arxiv: 1307.6766 · arxiv_version: 1307.6766v1 · doi: 10.48550/arxiv.1307.6766 · pith_short_12: 2MY4TR6YZBYO · pith_short_16: 2MY4TR6YZBYOML5U · pith_short_8: 2MY4TR6Y

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/2MY4TR6YZBYOML5UYQVZVEIUMN \
  | 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: d331c9c7d8c870e62fb4c42b9a91146346491a95232f048b18f3a672eac54d1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efa01eff1823836c49ee96fe480aaff0db6780b007b674ff5edba8c3f40b73c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-07-25T14:59:05Z",
    "title_canon_sha256": "364c5be25e3b2c0db5fa18949ee6e6c9c206a002d4b5f7a9b2f8db9449f07f46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6766",
    "kind": "arxiv",
    "version": 1
  }
}