Pith Number

pith:YNQ3AFSY

pith:2014:YNQ3AFSYBBSVHJXJSDLPW76TC5

not attested not anchored not stored refs pending

Stratified Obstruction Systems for Equivariant Moduli Problems and Invariant Euler cycles

Xiangdong Yang

arxiv:1409.5503 v1 · 2014-09-19 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNQ3AFSYBBSVHJXJSDLPW76TC5}

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	2026-05-18T00:56:53.173436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c361b01658086553a6e990d6fb7fd317539826074b6e73a3b5ad65fab73c171e

Aliases

arxiv: 1409.5503 · arxiv_version: 1409.5503v1 · doi: 10.48550/arxiv.1409.5503 · pith_short_12: YNQ3AFSYBBSV · pith_short_16: YNQ3AFSYBBSVHJXJ · pith_short_8: YNQ3AFSY

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/YNQ3AFSYBBSVHJXJSDLPW76TC5 \
  | 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: c361b01658086553a6e990d6fb7fd317539826074b6e73a3b5ad65fab73c171e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0e4c8b856ec94c213a258f82fe78ebe2249404fd394a4e7bc81fdbbe2c2c317",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-09-19T02:50:45Z",
    "title_canon_sha256": "a170291f58d8546f18b2475e901b8967d6380009933c965f88d1aac6413d133a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5503",
    "kind": "arxiv",
    "version": 1
  }
}