Pith Number

pith:Z3MAMIBG

pith:2017:Z3MAMIBGR6C4F5Y7P4OLAIV4UF

not attested not anchored not stored refs pending

Integral representation of moderate cohomology

H{\aa}kan Samuelsson Kalm

arxiv:1703.03661 v2 · 2017-03-10 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3MAMIBGR6C4F5Y7P4OLAIV4UF}

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	2026-05-18T00:15:42.324761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ced80620268f85c2f71f7f1cb022bca167f5dc05230cf2ac6ed482a35d8395fa

Aliases

arxiv: 1703.03661 · arxiv_version: 1703.03661v2 · doi: 10.48550/arxiv.1703.03661 · pith_short_12: Z3MAMIBGR6C4 · pith_short_16: Z3MAMIBGR6C4F5Y7 · pith_short_8: Z3MAMIBG

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/Z3MAMIBGR6C4F5Y7P4OLAIV4UF \
  | 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: ced80620268f85c2f71f7f1cb022bca167f5dc05230cf2ac6ed482a35d8395fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "302aa7a1ef42405ab707e2224a0d59ea9012232365e177cbb969ff4b9e61cb23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-03-10T12:47:24Z",
    "title_canon_sha256": "2382825adb3d5dfe80a856a33d86a88c2a9d50b1b24db0860de3dfbb39a039de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03661",
    "kind": "arxiv",
    "version": 2
  }
}