pith. sign in
Pith Number

pith:YF25PVY5

pith:2015:YF25PVY5X5IHVY6HGMKVA6WYZA
not attested not anchored not stored refs pending

Ordering with precedence constraints and budget minimization

Akbar Rafiey, Arash Rafiey, J\'an Manuch, Jeff Kinne

arxiv:1507.04885 v3 · 2015-07-17 · cs.DM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YF25PVY5X5IHVY6HGMKVA6WYZA}

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 2026-05-18T01:03:31.092495Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c175d7d71dbf507ae3c73315507ad8c834944f0613cd74950cd578984d5e23f7

Aliases

arxiv: 1507.04885 · arxiv_version: 1507.04885v3 · doi: 10.48550/arxiv.1507.04885 · pith_short_12: YF25PVY5X5IH · pith_short_16: YF25PVY5X5IHVY6H · pith_short_8: YF25PVY5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YF25PVY5X5IHVY6HGMKVA6WYZA \
  | 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: c175d7d71dbf507ae3c73315507ad8c834944f0613cd74950cd578984d5e23f7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bde86fb0797ab7f1583b2c74efe125ac6b260d7aa6a44319b3d5c6a1d29fb390",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-07-17T09:11:56Z",
    "title_canon_sha256": "ef5240b3a486c0ec6b64ce37e332e706516ba17e7689d904fec27757bc74c63e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04885",
    "kind": "arxiv",
    "version": 3
  }
}