Pith Number

pith:NLDPEQJF

pith:2010:NLDPEQJFINOYVGRE4X5ZLFE33B

not attested not anchored not stored refs pending

On the relation of symplectic algebraic cobordism to hermitian K-theory

Charles Walter, Ivan Panin

arxiv:1011.0652 v2 · 2010-11-02 · math.AG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NLDPEQJFINOYVGRE4X5ZLFE33B}

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	2026-05-18T00:21:38.255733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac6f24125435d8a9a24e5fb95949bd8643977218e8eca5d4e8f98df7b822a82

Aliases

arxiv: 1011.0652 · arxiv_version: 1011.0652v2 · doi: 10.48550/arxiv.1011.0652 · pith_short_12: NLDPEQJFINOY · pith_short_16: NLDPEQJFINOYVGRE · pith_short_8: NLDPEQJF

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/NLDPEQJFINOYVGRE4X5ZLFE33B \
  | 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: 6ac6f24125435d8a9a24e5fb95949bd8643977218e8eca5d4e8f98df7b822a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e036e84866bde1da238521326eeb42dadb70ac6355a07a5ccc97ffa59049db3",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-11-02T15:51:37Z",
    "title_canon_sha256": "248495beb59edffe2ddc139bb0d35661f3a835f0d6dcebe41b3dc642b3422367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0652",
    "kind": "arxiv",
    "version": 2
  }
}