Pith Number

pith:7ID5NJQ3

pith:2019:7ID5NJQ3YS42T4BLW22XMESTS2

not attested not anchored not stored refs pending

The Omega spectrum for mod 2 KO-theory

W Stephen Wilson

arxiv:1908.01437 v1 · 2019-08-05 · 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{7ID5NJQ3YS42T4BLW22XMESTS2}

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	2026-07-04T23:51:30.435222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa07d6a61bc4b9a9f02bb6b576125396ae2137686fd2bb36c3a33af161c10fbc

Aliases

arxiv: 1908.01437 · arxiv_version: 1908.01437v1 · doi: 10.48550/arxiv.1908.01437 · pith_short_12: 7ID5NJQ3YS42 · pith_short_16: 7ID5NJQ3YS42T4BL · pith_short_8: 7ID5NJQ3

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/7ID5NJQ3YS42T4BLW22XMESTS2 \
  | 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: fa07d6a61bc4b9a9f02bb6b576125396ae2137686fd2bb36c3a33af161c10fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba56f799af7c754668906afa9b7c271f25a5a83e41d190a60c7fa844128bde27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-08-05T01:33:34Z",
    "title_canon_sha256": "2f938d3925ddc0845385b69b7fd26ea9faf5ddbeed8a9e614efbdc70050b451f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01437",
    "kind": "arxiv",
    "version": 1
  }
}