Pith Number

pith:PMTQ4DA7

pith:2010:PMTQ4DA76GVNVSM743M3HDCGOV

not attested not anchored not stored refs pending

Contact pairs and locally conformally symplectic structures

D. Kotschick, G. Bande

arxiv:1006.0315 v2 · 2010-06-02 · math.SG · math.CV · 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{PMTQ4DA76GVNVSM743M3HDCGOV}

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	2026-05-18T03:35:26.615302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b270e0c1ff1aadac99fe6d9b38c46757c3f7e23f728d80a3ca61d58055da49d

Aliases

arxiv: 1006.0315 · arxiv_version: 1006.0315v2 · doi: 10.48550/arxiv.1006.0315 · pith_short_12: PMTQ4DA76GVN · pith_short_16: PMTQ4DA76GVNVSM7 · pith_short_8: PMTQ4DA7

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/PMTQ4DA76GVNVSM743M3HDCGOV \
  | 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: 7b270e0c1ff1aadac99fe6d9b38c46757c3f7e23f728d80a3ca61d58055da49d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b71cf2b2b25bf81a633f826dc09dbbbcf9a3794d2a42a7b6d8a28c6ad761b1c",
    "cross_cats_sorted": [
      "math.CV",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2010-06-02T07:48:14Z",
    "title_canon_sha256": "35fcb89a04e30330ffbadb56ff365a20183fe12e400b68d9d7588abe22b777e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0315",
    "kind": "arxiv",
    "version": 2
  }
}