Pith Number

pith:EGQJFCLE

pith:2019:EGQJFCLETRPKZDHGNZDM2FEWVU

not attested not anchored not stored refs pending

On the genus of congruence surfaces from maximal orders

Eric Albers, Nicholas Miller

arxiv:1901.07934 v1 · 2019-01-23 · math.GT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGQJFCLETRPKZDHGNZDM2FEWVU}

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	2026-05-17T23:55:39.459115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21a09289649c5eac8ce66e46cd1496ad108c22cf19d6bb56518d9c11171321cc

Aliases

arxiv: 1901.07934 · arxiv_version: 1901.07934v1 · doi: 10.48550/arxiv.1901.07934 · pith_short_12: EGQJFCLETRPK · pith_short_16: EGQJFCLETRPKZDHG · pith_short_8: EGQJFCLE

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/EGQJFCLETRPKZDHGNZDM2FEWVU \
  | 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: 21a09289649c5eac8ce66e46cd1496ad108c22cf19d6bb56518d9c11171321cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82d0a95f76111364c4f98dbbdef4b66d8346318c9fcd25334d02eab79fc84313",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-01-23T14:56:10Z",
    "title_canon_sha256": "692667c1df02de42424afa26f062a682c12bfd00c96edd4b6a93dee51e85ad10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07934",
    "kind": "arxiv",
    "version": 1
  }
}