Pith Number

pith:3QF4WQSV

pith:2023:3QF4WQSVVB2A3TT3GNYW3EHFBW

not attested not anchored not stored refs pending

On the realisation problem for mapping degree sets

Christoforos Neofytidis, Hongbin Sun, Shicheng Wang, Ye Tian, Zhongzi Wang

arxiv:2303.11922 v2 · 2023-03-21 · math.GT · math.AT · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QF4WQSVVB2A3TT3GNYW3EHFBW}

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	2026-07-05T11:53:26.489049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc0bcb4255a8740dce7b33716d90e50d82500babefa8dc0751827929b1e0081a

Aliases

arxiv: 2303.11922 · arxiv_version: 2303.11922v2 · doi: 10.48550/arxiv.2303.11922 · pith_short_12: 3QF4WQSVVB2A · pith_short_16: 3QF4WQSVVB2A3TT3 · pith_short_8: 3QF4WQSV

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/3QF4WQSVVB2A3TT3GNYW3EHFBW \
  | 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: dc0bcb4255a8740dce7b33716d90e50d82500babefa8dc0751827929b1e0081a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e850b162df935a4ba28e8524af12d801f8ff6870ce11edbd202e4be1bfb4f304",
    "cross_cats_sorted": [
      "math.AT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2023-03-21T15:14:20Z",
    "title_canon_sha256": "d859e7b10541cdbe013097f3945d02b884ce4081d0314ce9ef5dee85f4392e28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.11922",
    "kind": "arxiv",
    "version": 2
  }
}