Pith Number

pith:THDBXBS5

pith:2008:THDBXBS5RKRBPCUKXPJWOJ6OYW

not attested not anchored not stored refs pending

Degree formula for connective K-theory

K. Zainoulline

arxiv:0808.2592 v3 · 2008-08-19 · math.AG · math.KT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THDBXBS5RKRBPCUKXPJWOJ6OYW}

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	2026-05-18T03:55:00.733381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99c61b865d8aa2178a8abbd36727cec5bcfc786ce9a7b4c7ae0b9084096b47d1

Aliases

arxiv: 0808.2592 · arxiv_version: 0808.2592v3 · doi: 10.48550/arxiv.0808.2592 · pith_short_12: THDBXBS5RKRB · pith_short_16: THDBXBS5RKRBPCUK · pith_short_8: THDBXBS5

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/THDBXBS5RKRBPCUKXPJWOJ6OYW \
  | 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: 99c61b865d8aa2178a8abbd36727cec5bcfc786ce9a7b4c7ae0b9084096b47d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebedab20161cba280915b1a2ba9c7226ee0ffc2df8cd3c81617b5a5762c5d662",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-08-19T13:17:03Z",
    "title_canon_sha256": "a315b38a76b7bc3e1a1e88d82cdf361763a8c565e54ecfed187accfcbade3a10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2592",
    "kind": "arxiv",
    "version": 3
  }
}