Pith Number

pith:I7TR2355

pith:2012:I7TR2355DRAZDTCPV5RWVBWFC6

not attested not anchored not stored refs pending

Optimal approximate fixed point results in locally convex spaces

Cleon S. Barroso, Michel P. Rebou\c{c}as, Ond\v{r}ej F. K. Kalenda

arxiv:1206.3544 v1 · 2012-06-15 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7TR2355DRAZDTCPV5RWVBWFC6}

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	2026-05-18T03:32:31.750380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47e71d6fbd1c4191cc4faf636a86c517bb55d16f12b7bde74cb276ae68a790f8

Aliases

arxiv: 1206.3544 · arxiv_version: 1206.3544v1 · doi: 10.48550/arxiv.1206.3544 · pith_short_12: I7TR2355DRAZ · pith_short_16: I7TR2355DRAZDTCP · pith_short_8: I7TR2355

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/I7TR2355DRAZDTCPV5RWVBWFC6 \
  | 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: 47e71d6fbd1c4191cc4faf636a86c517bb55d16f12b7bde74cb276ae68a790f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "745938e98c071d18e4953726ac121d05031def02713fba51dbf05df0ae85f9c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-06-15T18:58:58Z",
    "title_canon_sha256": "9a9389b98d9b0e5fc66b7c61e9f8d4ec5c46b6bcc8625555082006779ba1ac07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3544",
    "kind": "arxiv",
    "version": 1
  }
}