Pith Number

pith:K3EQQE2W

pith:1998:K3EQQE2WY24LX3MOPXMQYUCM7H

not attested not anchored not stored refs pending

Monads on projective space

Gunnar Floystad

arxiv:math/9806147 v1 · 1998-06-26 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3EQQE2WY24LX3MOPXMQYUCM7H}

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	2026-05-18T04:06:21.429270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56c9081356c6b8bbed8e7dd90c504cf9e19e54a067e74e30efbb4a55c9c6cc22

Aliases

arxiv: math/9806147 · arxiv_version: math/9806147v1 · doi: 10.48550/arxiv.math/9806147 · pith_short_12: K3EQQE2WY24L · pith_short_16: K3EQQE2WY24LX3MO · pith_short_8: K3EQQE2W

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/K3EQQE2WY24LX3MOPXMQYUCM7H \
  | 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: 56c9081356c6b8bbed8e7dd90c504cf9e19e54a067e74e30efbb4a55c9c6cc22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eacbf0514822e3885c3285daeead839d0c7e64fc95f07fe2e5d8e441c8b1d693",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "1998-06-26T15:35:25Z",
    "title_canon_sha256": "aafced7e6b730628de825a0886f24b3874329ad811cc75e9ef860128ea325f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9806147",
    "kind": "arxiv",
    "version": 1
  }
}