Pith Number

pith:LMC7J6DZ

pith:2015:LMC7J6DZ4EZRWO2YGGRR7T3GTV

not attested not anchored not stored refs pending

The Daugavet equation for bounded vector valued functions

Dirk Werner, Enrique A. Sanchez Perez, Stefan Brach

arxiv:1507.04185 v1 · 2015-07-15 · 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{LMC7J6DZ4EZRWO2YGGRR7T3GTV}

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	2026-05-18T01:36:48.940712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b05f4f879e1331b3b5831a31fcf669d68a85230db50c4c6a1f2938c0e18b052

Aliases

arxiv: 1507.04185 · arxiv_version: 1507.04185v1 · doi: 10.48550/arxiv.1507.04185 · pith_short_12: LMC7J6DZ4EZR · pith_short_16: LMC7J6DZ4EZRWO2Y · pith_short_8: LMC7J6DZ

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/LMC7J6DZ4EZRWO2YGGRR7T3GTV \
  | 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: 5b05f4f879e1331b3b5831a31fcf669d68a85230db50c4c6a1f2938c0e18b052

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eebda7e2fcf4bd09284e00ee43423c9a7f1759e8dc9d71ffc8b317084ab40b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-07-15T12:26:50Z",
    "title_canon_sha256": "9173899b29f3670b4b43834efbc51e489f3475a8b27b1177ebbe43b79e848fc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04185",
    "kind": "arxiv",
    "version": 1
  }
}