Pith Number

pith:Q5PVS4HU

pith:2018:Q5PVS4HUMSUGC6SVJWN5H3APJ3

not attested not anchored not stored refs pending

C-motivic modular forms

Achim Krause, Bogdan Gheorghe, Daniel C. Isaksen, Nicolas Ricka

arxiv:1810.11050 v1 · 2018-10-25 · 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{Q5PVS4HUMSUGC6SVJWN5H3APJ3}

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	2026-05-18T00:02:15.390903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875f5970f464a8617a554d9bd3ec0f4ef8fc374c000ff8142b70b0e388915186

Aliases

arxiv: 1810.11050 · arxiv_version: 1810.11050v1 · doi: 10.48550/arxiv.1810.11050 · pith_short_12: Q5PVS4HUMSUG · pith_short_16: Q5PVS4HUMSUGC6SV · pith_short_8: Q5PVS4HU

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/Q5PVS4HUMSUGC6SVJWN5H3APJ3 \
  | 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: 875f5970f464a8617a554d9bd3ec0f4ef8fc374c000ff8142b70b0e388915186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85be9a118d81c58cd05863f6332d199b0b1d00ddac974e4a1d849742020f3a26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-10-25T18:14:21Z",
    "title_canon_sha256": "abd306e41fdf1ccab90acb82bae7091de6054dc2c4ab4a2b0f9094f13965897b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11050",
    "kind": "arxiv",
    "version": 1
  }
}