Pith Number

pith:QDYFIABB

pith:2015:QDYFIABBPEV4DBYU6TBBYZJ7MO

not attested not anchored not stored refs pending

Low dimensional Milnor-Witt stems over R

Daniel C. Isaksen, Daniel Dugger

arxiv:1502.01007 v1 · 2015-02-03 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDYFIABBPEV4DBYU6TBBYZJ7MO}

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	2026-05-18T00:53:26.363054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f0540021792bc18714f4c21c653f6392855eab766e288824f1876a45dab673

Aliases

arxiv: 1502.01007 · arxiv_version: 1502.01007v1 · doi: 10.48550/arxiv.1502.01007 · pith_short_12: QDYFIABBPEV4 · pith_short_16: QDYFIABBPEV4DBYU · pith_short_8: QDYFIABB

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/QDYFIABBPEV4DBYU6TBBYZJ7MO \
  | 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: 80f0540021792bc18714f4c21c653f6392855eab766e288824f1876a45dab673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "581e49d09fc104a9300abf6725203cde9a61d39fc971932ef8ce073ec1bd05c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-02-03T20:47:36Z",
    "title_canon_sha256": "135b979670f675e011f0b419db3a607d63f7e0547791bf75362b001a255e1e95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01007",
    "kind": "arxiv",
    "version": 1
  }
}