Pith Number

pith:DGQFYE3L

pith:2004:DGQFYE3LFY2MXH4DPLUMIROHDE

not attested not anchored not stored refs pending

On the local structure of Dirac manifolds

Aissa Wade, Jean-Paul Dufour

arxiv:math/0405257 v2 · 2004-05-13 · math.SG · 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{DGQFYE3LFY2MXH4DPLUMIROHDE}

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	2026-05-18T03:02:31.300916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19a05c136b2e34cb9f837ae8c445c71925d71610f16aaf311f60d113a8cc4da0

Aliases

arxiv: math/0405257 · arxiv_version: math/0405257v2 · doi: 10.48550/arxiv.math/0405257 · pith_short_12: DGQFYE3LFY2M · pith_short_16: DGQFYE3LFY2MXH4D · pith_short_8: DGQFYE3L

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/DGQFYE3LFY2MXH4DPLUMIROHDE \
  | 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: 19a05c136b2e34cb9f837ae8c445c71925d71610f16aaf311f60d113a8cc4da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2bb979714ffae4f848d996484e5423af6dec28cdd311e2c57d23a9a9e4dbc2",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2004-05-13T17:35:12Z",
    "title_canon_sha256": "2bd541b42e768ae469a8176fcddf201f3c104a6772be6df50f79083cb2e55efa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0405257",
    "kind": "arxiv",
    "version": 2
  }
}