Pith Number

pith:WHYAI3GS

pith:2004:WHYAI3GSYCJLVSKPM34XMQCMM3

not attested not anchored not stored refs pending

Singularity exchange at the frontier of the space

Dirk Siersma, Mihai Tibar

arxiv:math/0401396 v2 · 2004-01-28 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHYAI3GSYCJLVSKPM34XMQCMM3}

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	2026-05-18T01:05:26.620305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1f0046cd2c092bac94f66f976404c66f01904685c037ea0f90a59281ed2e29e

Aliases

arxiv: math/0401396 · arxiv_version: math/0401396v2 · doi: 10.48550/arxiv.math/0401396 · pith_short_12: WHYAI3GSYCJL · pith_short_16: WHYAI3GSYCJLVSKP · pith_short_8: WHYAI3GS

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/WHYAI3GSYCJLVSKPM34XMQCMM3 \
  | 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: b1f0046cd2c092bac94f66f976404c66f01904685c037ea0f90a59281ed2e29e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4008134b8cf754d7e925de1d207b057d1ec74f8867cb8db8aeb669e00563b0f2",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2004-01-28T15:52:32Z",
    "title_canon_sha256": "568fe5d95bc541844fad344b3f2651b8b220da3f32f4771939a03d0d0e229547"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0401396",
    "kind": "arxiv",
    "version": 2
  }
}