Pith Number

pith:4VCM53HD

pith:2019:4VCM53HDAUZ3VATO7FSJLKZHVT

not attested not anchored not stored refs pending

Wilson Spaces, Snaith Constructions, and Elliptic Orientations

Allen Yuan, Hood Chatham, Jeremy Hahn

arxiv:1910.04616 v2 · 2019-10-10 · 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{4VCM53HDAUZ3VATO7FSJLKZHVT}

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	2026-07-05T07:40:47.153381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e544ceece30533ba826ef96495ab27accf470526ae8c19f62894ebf920601775

Aliases

arxiv: 1910.04616 · arxiv_version: 1910.04616v2 · doi: 10.48550/arxiv.1910.04616 · pith_short_12: 4VCM53HDAUZ3 · pith_short_16: 4VCM53HDAUZ3VATO · pith_short_8: 4VCM53HD

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/4VCM53HDAUZ3VATO7FSJLKZHVT \
  | 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: e544ceece30533ba826ef96495ab27accf470526ae8c19f62894ebf920601775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5977a890ba3985f9fbd9f7ce7fb73e4973d450ba0b0949cde239a2c4d1346691",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-10-10T14:46:11Z",
    "title_canon_sha256": "2bd6ab26aff831a8bf0425ee5bae6b273bf066ccf473d600339e41b2b5d88fd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04616",
    "kind": "arxiv",
    "version": 2
  }
}