Pith Number

pith:QH7J6J53

pith:2015:QH7J6J53I3XJKMNJ4XPV64UREW

not attested not anchored not stored refs pending

K-theoretic invariants of Hamiltonian fibrations

Egor Shelukhin, Yasha Savelyev

arxiv:1508.06793 v3 · 2015-08-27 · math.SG · math-ph · math.AT · math.DG · math.KT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QH7J6J53I3XJKMNJ4XPV64UREW}

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	2026-05-17T23:56:04.189838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fe9f27bb46ee9531a9e5df5f729125a03d4d80dc091028e8d13e1616316189

Aliases

arxiv: 1508.06793 · arxiv_version: 1508.06793v3 · doi: 10.48550/arxiv.1508.06793 · pith_short_12: QH7J6J53I3XJ · pith_short_16: QH7J6J53I3XJKMNJ · pith_short_8: QH7J6J53

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/QH7J6J53I3XJKMNJ4XPV64UREW \
  | 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: 81fe9f27bb46ee9531a9e5df5f729125a03d4d80dc091028e8d13e1616316189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12a8f4a31ed6a6b36daee92048a492066c4824bb3d514790ebeca1e17e3f1f45",
    "cross_cats_sorted": [
      "math-ph",
      "math.AT",
      "math.DG",
      "math.KT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2015-08-27T10:20:03Z",
    "title_canon_sha256": "d0d1ca1ed2ac4dc38f52570eb09cfa5bb053190657e7c6ba843cb17245f3e90f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06793",
    "kind": "arxiv",
    "version": 3
  }
}