Pith Number

pith:G4M2HFXT

pith:2022:G4M2HFXTOYHI6UWHPMFU72U3HB

not attested not anchored not stored refs pending

A homotopical description of Deligne-Mumford compactifications

Yash Deshmukh

arxiv:2211.05168 v1 · 2022-11-09 · math.AT · math.QA · 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{G4M2HFXTOYHI6UWHPMFU72U3HB}

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

3 papers in Pith

Galois actions on surfaces and a higher genus Grothendieck-Teichm\"uller group

Open-closed Deligne-Mumford field theories: geometric foundations

Open-closed Deligne-Mumford field theories: construction

Receipt and verification

First computed	2026-07-05T05:14:47.263453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3719a396f3760e8f52c77b0b4fea9b38501d0b8cd0be88f93958c603ec8c1bf0

Aliases

arxiv: 2211.05168 · arxiv_version: 2211.05168v1 · doi: 10.48550/arxiv.2211.05168 · pith_short_12: G4M2HFXTOYHI · pith_short_16: G4M2HFXTOYHI6UWH · pith_short_8: G4M2HFXT

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/G4M2HFXTOYHI6UWHPMFU72U3HB \
  | 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: 3719a396f3760e8f52c77b0b4fea9b38501d0b8cd0be88f93958c603ec8c1bf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9afaf6efc0e0105ad34824dd58612cd80c8fb69fb04559cb745e00f8a07c4bb9",
    "cross_cats_sorted": [
      "math.QA",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2022-11-09T19:44:03Z",
    "title_canon_sha256": "3a2ae980146f71cb23b0fe3eb206c2a33296a943c1becc09c2567ee8d8bb1ce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.05168",
    "kind": "arxiv",
    "version": 1
  }
}