Pith Number

pith:VHF654NN

pith:2017:VHF654NNGT4GERINHSYKRIANHB

not attested not anchored not stored refs pending

On the action of the Steenrod algebra on the modular invariants of special linear group

Nguyen Sum

arxiv:1710.06556 v1 · 2017-10-18 · 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{VHF654NNGT4GERINHSYKRIANHB}

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	2026-05-18T00:32:33.388736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9cbeef1ad34f862450d3cb0a8a00d387234c9b3e7a17ddf28f7f26d7aa0a2a8

Aliases

arxiv: 1710.06556 · arxiv_version: 1710.06556v1 · doi: 10.48550/arxiv.1710.06556 · pith_short_12: VHF654NNGT4G · pith_short_16: VHF654NNGT4GERIN · pith_short_8: VHF654NN

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/VHF654NNGT4GERINHSYKRIANHB \
  | 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: a9cbeef1ad34f862450d3cb0a8a00d387234c9b3e7a17ddf28f7f26d7aa0a2a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f84af46b39be13d9c48b37c6f22d6a772584536e8e3290ed1ffe22f8a67b449",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-10-18T02:12:41Z",
    "title_canon_sha256": "356c11da507492a7a5c5051b82592d6f078169bd35120c99e4a4385243b7a6d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06556",
    "kind": "arxiv",
    "version": 1
  }
}