Pith Number

pith:I6F5HB3K

pith:2003:I6F5HB3KCLNFHNCFGPZHWMJLXR

not attested not anchored not stored refs pending

A Geometric Approach to Differential Forms

David Bachman

arxiv:math/0306194 v2 · 2003-06-11 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6F5HB3KCLNFHNCFGPZHWMJLXR}

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	2026-05-18T04:04:55.407966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

478bd3876a12da53b44533f27b312bbc447b53606d3af67b679bd37b56553a3a

Aliases

arxiv: math/0306194 · arxiv_version: math/0306194v2 · doi: 10.48550/arxiv.math/0306194 · pith_short_12: I6F5HB3KCLNF · pith_short_16: I6F5HB3KCLNFHNCF · pith_short_8: I6F5HB3K

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/I6F5HB3KCLNFHNCFGPZHWMJLXR \
  | 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: 478bd3876a12da53b44533f27b312bbc447b53606d3af67b679bd37b56553a3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab2a09de8d707f6c99eeb511d211c50a57eb20469e060767ce9dc95beaaa547c",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2003-06-11T21:13:18Z",
    "title_canon_sha256": "242161cbed881d8378bd197d7f6b5757582cf2a357e8b2d5aa42b22932083176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0306194",
    "kind": "arxiv",
    "version": 2
  }
}