Pith Number

pith:NW6QQE7N

pith:2012:NW6QQE7NPK535P6SFDFHRTGC7N

not attested not anchored not stored refs pending

The first line of the Bockstein spectral sequence on a monochromatic spectrum at an odd prime

Katsumi Shimomura, Ryo Kato

arxiv:1202.2517 v1 · 2012-02-12 · 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{NW6QQE7NPK535P6SFDFHRTGC7N}

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	2026-05-18T04:02:26.316814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbd0813ed7abbbebfd228ca78ccc2fb6ba2e37f45b3071bb4a254d860601ffc

Aliases

arxiv: 1202.2517 · arxiv_version: 1202.2517v1 · doi: 10.48550/arxiv.1202.2517 · pith_short_12: NW6QQE7NPK53 · pith_short_16: NW6QQE7NPK535P6S · pith_short_8: NW6QQE7N

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/NW6QQE7NPK535P6SFDFHRTGC7N \
  | 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: 6dbd0813ed7abbbebfd228ca78ccc2fb6ba2e37f45b3071bb4a254d860601ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad47f4690928dcab01ef68b0b203cdde70bb04b270141fd63349c4134d8fabd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-02-12T11:18:59Z",
    "title_canon_sha256": "ba5b94f8476a25d5157aeac34359a88be8f687e5de84ca47073d62f4eb1cfe50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2517",
    "kind": "arxiv",
    "version": 1
  }
}