Pith Number

pith:L2L7SUH4

pith:2016:L2L7SUH4SQAIC3E3QM45IAMN36

not attested not anchored not stored refs pending

Power operations in the Kunneth spectral sequence and commutative HFp-algebras

Sean Tilson

arxiv:1602.06736 v2 · 2016-02-22 · 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{L2L7SUH4SQAIC3E3QM45IAMN36}

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	2026-05-18T00:13:38.249382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e97f950fc9400816c9b8339d4018ddfa5c08635faf61749972a47616ae80ecf

Aliases

arxiv: 1602.06736 · arxiv_version: 1602.06736v2 · doi: 10.48550/arxiv.1602.06736 · pith_short_12: L2L7SUH4SQAI · pith_short_16: L2L7SUH4SQAIC3E3 · pith_short_8: L2L7SUH4

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/L2L7SUH4SQAIC3E3QM45IAMN36 \
  | 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: 5e97f950fc9400816c9b8339d4018ddfa5c08635faf61749972a47616ae80ecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2ce07f8017a4cfc112eab9f23ebeefb4ab2c0339e63e7b7c6233e70dffc2b99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-02-22T11:32:44Z",
    "title_canon_sha256": "629c055912fe2fdf13b8f0999985b7105d44057e633e0ef3a228cebed9964a3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06736",
    "kind": "arxiv",
    "version": 2
  }
}