Pith Number

pith:ERBT33I3

pith:2015:ERBT33I3MIVJS2O5U5L3M56TN7

not attested not anchored not stored refs pending

On the algebraic $K$-theory of the Hilbert modular group

Luis Jorge S\'anchez Salda\~na, Mauricio Bustamante

arxiv:1505.03452 v1 · 2015-05-13 · math.KT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERBT33I3MIVJS2O5U5L3M56TN7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:04:14.678820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24433ded1b622a9969dda757b677d36fc9b26641f7e4d339e59cd0d8006140df

Aliases

arxiv: 1505.03452 · arxiv_version: 1505.03452v1 · doi: 10.48550/arxiv.1505.03452 · pith_short_12: ERBT33I3MIVJ · pith_short_16: ERBT33I3MIVJS2O5 · pith_short_8: ERBT33I3

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/ERBT33I3MIVJS2O5U5L3M56TN7 \
  | 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: 24433ded1b622a9969dda757b677d36fc9b26641f7e4d339e59cd0d8006140df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "504b0f68abf1f2ec50b85cc64379e55e73e61faba9e5b9df211e7bd916bf83f4",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2015-05-13T16:42:58Z",
    "title_canon_sha256": "3da98c0ae2fae2da576039b6eacba0db116e84afacc135165c2ef12cda0f5039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03452",
    "kind": "arxiv",
    "version": 1
  }
}