Pith Number

pith:XB5M4DHD

pith:2017:XB5M4DHDVRWGCVKQU4LLDEVGHP

not attested not anchored not stored refs pending

Motivic modular forms from equivariant stable homotopy theory

Nicolas Ricka

arxiv:1704.04547 v2 · 2017-04-14 · 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{XB5M4DHDVRWGCVKQU4LLDEVGHP}

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	2026-05-18T00:45:38.484919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b87ace0ce3ac6c615550a716b192a63bf505ac4b6027d40a282dedb6fb826ab4

Aliases

arxiv: 1704.04547 · arxiv_version: 1704.04547v2 · doi: 10.48550/arxiv.1704.04547 · pith_short_12: XB5M4DHDVRWG · pith_short_16: XB5M4DHDVRWGCVKQ · pith_short_8: XB5M4DHD

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/XB5M4DHDVRWGCVKQU4LLDEVGHP \
  | 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: b87ace0ce3ac6c615550a716b192a63bf505ac4b6027d40a282dedb6fb826ab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "821c298d34e35ea49fac8c45f76dc9daf1cfa1a44b3e769a4fef099930b55444",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-04-14T21:45:05Z",
    "title_canon_sha256": "f15d76fbbea8d8754f49556ccaec1b970daa58fa2aec65bf0c7da474973e6b68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04547",
    "kind": "arxiv",
    "version": 2
  }
}