Pith. sign in
Pith Number

pith:STOQHBHC

pith:2020:STOQHBHCGPSWJJXNMZMZHI4ZW2
not attested not anchored not stored refs pending

Homotopies and transcendental extensions in colouring problems

Wojciech Duli\'nski

arxiv:2011.12273 v3 · 2020-11-24 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{STOQHBHCGPSWJJXNMZMZHI4ZW2}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T10:11:10.691003Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

94dd0384e233e564a6ed665993a399b6a0430b6705afb943e6b402a23393a279

Aliases

arxiv: 2011.12273 · arxiv_version: 2011.12273v3 · doi: 10.48550/arxiv.2011.12273 · pith_short_12: STOQHBHCGPSW · pith_short_16: STOQHBHCGPSWJJXN · pith_short_8: STOQHBHC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/STOQHBHCGPSWJJXNMZMZHI4ZW2 \
  | 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: 94dd0384e233e564a6ed665993a399b6a0430b6705afb943e6b402a23393a279
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e42c9ecc2317bce6f57ece858bb4ba5be9f79fab98107108bd03fc8a7a929c73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-11-24T18:35:28Z",
    "title_canon_sha256": "8f0f66bf77d026bdc8bd10928f03c44bacb8b7f9cca773e6992e91af184079f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.12273",
    "kind": "arxiv",
    "version": 3
  }
}