Pith Number

pith:ZZKUX56O

pith:2002:ZZKUX56OAOWU3QUG766UKJXMKU

not attested not anchored not stored refs pending

On Carlson's depth conjecture in group cohomology

David J. Green

arxiv:math/0206127 v1 · 2002-06-12 · 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{ZZKUX56OAOWU3QUG766UKJXMKU}

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	2026-05-18T02:26:39.810985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce554bf7ce03ad4dc286ffbd4526ec552fd479747e68f2fd372e7ec8c2ad2970

Aliases

arxiv: math/0206127 · arxiv_version: math/0206127v1 · doi: 10.48550/arxiv.math/0206127 · pith_short_12: ZZKUX56OAOWU · pith_short_16: ZZKUX56OAOWU3QUG · pith_short_8: ZZKUX56O

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/ZZKUX56OAOWU3QUG766UKJXMKU \
  | 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: ce554bf7ce03ad4dc286ffbd4526ec552fd479747e68f2fd372e7ec8c2ad2970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7065768eabe5a1a49f63803e4b3623381a536fbd468f6d495cf9bd8fb0b03562",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2002-06-12T14:22:51Z",
    "title_canon_sha256": "deef8788030573bfe46421f9197858fc73872f1d2c5538f5ef03a7e2d53db7cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0206127",
    "kind": "arxiv",
    "version": 1
  }
}