pith. sign in
Pith Number

pith:HFDTCJ3K

pith:2016:HFDTCJ3KNGW6GXLVL47D6YM4YT
not attested not anchored not stored refs pending

Local and Union Boxicity

Peter Stumpf, Thomas Bl\"asius, Torsten Ueckerdt

arxiv:1609.09447 v1 · 2016-09-29 · math.CO · cs.CG · cs.DM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HFDTCJ3KNGW6GXLVL47D6YM4YT}

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 2026-05-18T01:03:37.873031Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

394731276a69ade35d755f3e3f619cc4fce02850b038d4a3d9c525a60fc29bce

Aliases

arxiv: 1609.09447 · arxiv_version: 1609.09447v1 · doi: 10.48550/arxiv.1609.09447 · pith_short_12: HFDTCJ3KNGW6 · pith_short_16: HFDTCJ3KNGW6GXLV · pith_short_8: HFDTCJ3K
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HFDTCJ3KNGW6GXLVL47D6YM4YT \
  | 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: 394731276a69ade35d755f3e3f619cc4fce02850b038d4a3d9c525a60fc29bce
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0668feff4d8255c23f34b3d357430d7ec7078a9577535fb8f96d7f7edbf609e5",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-09-29T18:06:39Z",
    "title_canon_sha256": "b27f5a34277f2e0565945f5d151f1e7a0d3d794627245d13179292d563525da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09447",
    "kind": "arxiv",
    "version": 1
  }
}