Pith Number

pith:EPT3DNMH

pith:2006:EPT3DNMHV6TZYSQKAOZP4ETFXP

not attested not anchored not stored refs pending

On the space of metrics with invertible Dirac operator

Mattias Dahl

arxiv:math/0603018 v1 · 2006-03-01 · 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{EPT3DNMHV6TZYSQKAOZP4ETFXP}

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	2026-05-18T04:17:13.922694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e7b1b587afa79c4a0a03b2fe1265bbf721dde83fca774867a1e88b206f1075

Aliases

arxiv: math/0603018 · arxiv_version: math/0603018v1 · doi: 10.48550/arxiv.math/0603018 · pith_short_12: EPT3DNMHV6TZ · pith_short_16: EPT3DNMHV6TZYSQK · pith_short_8: EPT3DNMH

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/EPT3DNMHV6TZYSQKAOZP4ETFXP \
  | 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: 23e7b1b587afa79c4a0a03b2fe1265bbf721dde83fca774867a1e88b206f1075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f73b577823126b445697206fb65348b4974d1ad09578986b4e09ce5b8807a5d5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2006-03-01T11:21:11Z",
    "title_canon_sha256": "87ca84b46b557ad9a72b813fa861f860c931cb223fb9b4dfcd692ad4a01c01a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0603018",
    "kind": "arxiv",
    "version": 1
  }
}