Pith Number

pith:HIERS7OW

pith:2013:HIERS7OWFPXC2UGZJUP3WNN2SA

not attested not anchored not stored refs pending

Contact hypersurfaces in Kaehler manifolds

Jurgen Berndt, Young Jin Suh

arxiv:1312.2725 v1 · 2013-12-10 · 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{HIERS7OWFPXC2UGZJUP3WNN2SA}

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	2026-05-18T03:05:09.004133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a09197dd62bee2d50d94d1fbb35ba9010dbac05208f68d2732f18df4f2d4a93

Aliases

arxiv: 1312.2725 · arxiv_version: 1312.2725v1 · doi: 10.48550/arxiv.1312.2725 · pith_short_12: HIERS7OWFPXC · pith_short_16: HIERS7OWFPXC2UGZ · pith_short_8: HIERS7OW

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/HIERS7OWFPXC2UGZJUP3WNN2SA \
  | 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: 3a09197dd62bee2d50d94d1fbb35ba9010dbac05208f68d2732f18df4f2d4a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f30b07b71d653c3d9ca885288d0ce5666645121ebadf3ec383083b6893171d8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-12-10T09:31:54Z",
    "title_canon_sha256": "34c95eeb5bf8f71ae5551216f131b713d34f1ff31dc7c39101618656e535b7cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2725",
    "kind": "arxiv",
    "version": 1
  }
}