Pith Number

pith:QMPWNCIU

pith:2017:QMPWNCIUV5R5O3N4BXFYWZ35JE

not attested not anchored not stored refs pending

The algebraic and topological K-theory of the Hilbert Modular Group

Luis Jorge S\'anchez Salda\~na, Mario Vel\'asquez

arxiv:1706.04691 v1 · 2017-06-14 · math.KT · math.AT · 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{QMPWNCIUV5R5O3N4BXFYWZ35JE}

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	2026-05-18T00:42:19.373914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831f668914af63d76dbc0dcb8b677d490723520750836ed12ebd55342135023b

Aliases

arxiv: 1706.04691 · arxiv_version: 1706.04691v1 · doi: 10.48550/arxiv.1706.04691 · pith_short_12: QMPWNCIUV5R5 · pith_short_16: QMPWNCIUV5R5O3N4 · pith_short_8: QMPWNCIU

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/QMPWNCIUV5R5O3N4BXFYWZ35JE \
  | 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: 831f668914af63d76dbc0dcb8b677d490723520750836ed12ebd55342135023b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cd258845e2f785f9678188dd40d177d6a728d28d149be220ac69b343b36532e",
    "cross_cats_sorted": [
      "math.AT",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2017-06-14T23:11:22Z",
    "title_canon_sha256": "4da53bbfc3da3a45c44b7fcd8ef96c3bdcb49aeceb6df09e5c54de0b7bf02b4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04691",
    "kind": "arxiv",
    "version": 1
  }
}