Pith Number

pith:PUHME5WU

pith:2014:PUHME5WU5WTCTDGYRHPIFHPXQQ

not attested not anchored not stored refs pending

Cohomology of flat bundles and a Chern-Simons functional

Joohee Kim, Yanghyun Byun

arxiv:1409.6569 v1 · 2014-08-05 · math.DG · 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{PUHME5WU5WTCTDGYRHPIFHPXQQ}

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	2026-05-18T02:42:06.915941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d0ec276d4eda6298cd889de829df784138d81f6919bbc6ab23004d7aa88b172

Aliases

arxiv: 1409.6569 · arxiv_version: 1409.6569v1 · doi: 10.48550/arxiv.1409.6569 · pith_short_12: PUHME5WU5WTC · pith_short_16: PUHME5WU5WTCTDGY · pith_short_8: PUHME5WU

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/PUHME5WU5WTCTDGYRHPIFHPXQQ \
  | 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: 7d0ec276d4eda6298cd889de829df784138d81f6919bbc6ab23004d7aa88b172

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdf7086d47214fd5252aee6cd969648b707052dc66450a1bc5192b62fd8b4c63",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-08-05T06:46:21Z",
    "title_canon_sha256": "005568988cd6f7209d24cc987af23f2cb2877938a8cf36dfc1ad6b2079598d6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6569",
    "kind": "arxiv",
    "version": 1
  }
}