Pith Number

pith:SXNO44K6

pith:2008:SXNO44K6ANTC4VUOPOGXHGTQII

not attested not anchored not stored refs pending

Analytic torsions on contact manifolds

Michel Rumin, Neil Seshadri

arxiv:0802.0123 v1 · 2008-02-01 · math.DG · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXNO44K6ANTC4VUOPOGXHGTQII}

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	2026-05-18T03:35:36.928122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95daee715e03662e568e7b8d739a70420dd1667fdc77d167567f23afa6934ba2

Aliases

arxiv: 0802.0123 · arxiv_version: 0802.0123v1 · doi: 10.48550/arxiv.0802.0123 · pith_short_12: SXNO44K6ANTC · pith_short_16: SXNO44K6ANTC4VUO · pith_short_8: SXNO44K6

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/SXNO44K6ANTC4VUOPOGXHGTQII \
  | 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: 95daee715e03662e568e7b8d739a70420dd1667fdc77d167567f23afa6934ba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b1edd3e5cb676eaaaa36e8b175deaba7f34863b7558cd252118d8215327f8d8",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2008-02-01T14:12:04Z",
    "title_canon_sha256": "e3468a9ab7024e444ece24070fd84af76324c69046a7e327a5c5e59bbf7f2bc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0123",
    "kind": "arxiv",
    "version": 1
  }
}