Pith Number

pith:6V2IYEKG

pith:2013:6V2IYEKGMVH4LHWMRRFEURT4W4

not attested not anchored not stored refs pending

Fixed point theorems for $\alpha$--contractive mappings of Meir--Keeler type and applications

Maher Berzig, Mircea-Dan Rus

arxiv:1303.5798 v1 · 2013-03-22 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6V2IYEKGMVH4LHWMRRFEURT4W4}

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	2026-05-18T03:30:01.227785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5748c1146654fc59ecc8c4a4a467cb700ff8394cd17c934f5c3fc0746dd4534

Aliases

arxiv: 1303.5798 · arxiv_version: 1303.5798v1 · doi: 10.48550/arxiv.1303.5798 · pith_short_12: 6V2IYEKGMVH4 · pith_short_16: 6V2IYEKGMVH4LHWM · pith_short_8: 6V2IYEKG

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/6V2IYEKGMVH4LHWMRRFEURT4W4 \
  | 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: f5748c1146654fc59ecc8c4a4a467cb700ff8394cd17c934f5c3fc0746dd4534

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83855ce6163af980a4ccde37175daecd42ef8df6df53f3027db853fb1efb49c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-03-22T23:42:51Z",
    "title_canon_sha256": "187fd5d8c862378ed8bcf44a906e84fa01d7cf3dc23fe685e8b8d1c51baa49f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5798",
    "kind": "arxiv",
    "version": 1
  }
}