Pith Number

pith:USIVFJJE

pith:2009:USIVFJJE2ETOLNODXQO5OF6SAE

not attested not anchored not stored refs pending

Asymptotically cylindrical 7-manifolds of holonomy G_2 with applications to compact irreducible G_2-manifolds

Alexei Kovalev, Johannes Nordstr\"om

arxiv:0907.0497 v4 · 2009-07-03 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USIVFJJE2ETOLNODXQO5OF6SAE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:40:21.762044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a49152a524d126e5b5c3bc1dd717d201037e0036bc80fe8ecbc516ee22e819d6

Aliases

arxiv: 0907.0497 · arxiv_version: 0907.0497v4 · doi: 10.48550/arxiv.0907.0497 · pith_short_12: USIVFJJE2ETO · pith_short_16: USIVFJJE2ETOLNOD · pith_short_8: USIVFJJE

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/USIVFJJE2ETOLNODXQO5OF6SAE \
  | 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: a49152a524d126e5b5c3bc1dd717d201037e0036bc80fe8ecbc516ee22e819d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "785a7a88ef3883079ea3ce23be78e8a137f9b9e3821868f04d16061cbd8f691a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-07-03T16:09:08Z",
    "title_canon_sha256": "5c432426e534f35174bdd0b8a61fe60e9028ba5a5ceb0cbb935d738117bdf6da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0497",
    "kind": "arxiv",
    "version": 4
  }
}