Pith Number

pith:EAWKB2Q7

pith:2014:EAWKB2Q7FC6GP2VCTMPXS4HW7Q

not attested not anchored not stored refs pending

Minimality of invariant submanifolds in Metric Contact Pair Geometry

Amine Hadjar, Gianluca Bande

arxiv:1404.5447 v2 · 2014-04-22 · 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{EAWKB2Q7FC6GP2VCTMPXS4HW7Q}

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	2026-05-18T02:28:23.047886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

202ca0ea1f28bc67eaa29b1f7970f6fc122072b0397d88bc34c97ddd28c96dff

Aliases

arxiv: 1404.5447 · arxiv_version: 1404.5447v2 · doi: 10.48550/arxiv.1404.5447 · pith_short_12: EAWKB2Q7FC6G · pith_short_16: EAWKB2Q7FC6GP2VC · pith_short_8: EAWKB2Q7

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/EAWKB2Q7FC6GP2VCTMPXS4HW7Q \
  | 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: 202ca0ea1f28bc67eaa29b1f7970f6fc122072b0397d88bc34c97ddd28c96dff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57962788dd680accbfe0faeb8c83454da4c2c8e4ed7cc2231da5de37c03dc252",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-04-22T10:16:36Z",
    "title_canon_sha256": "79b8c53c94cd1c98585cdf25410c883b4a35cb5ecc2555a75e25575e0ab2b227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5447",
    "kind": "arxiv",
    "version": 2
  }
}