Pith Number

pith:6BE5RO6N

pith:2014:6BE5RO6NHGALLFHM4PKECAGCW6

not attested not anchored not stored refs pending

Semidefinite approximations of conical hulls of measured sets

Juli\'an Romero, Mauricio Velasco

arxiv:1409.8272 v2 · 2014-09-29 · math.OC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6BE5RO6NHGALLFHM4PKECAGCW6}

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	2026-05-18T02:40:17.636261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f049d8bbcd3980b594ece3d44100c2b7baac35a41dc130505dd1b267eaecd828

Aliases

arxiv: 1409.8272 · arxiv_version: 1409.8272v2 · doi: 10.48550/arxiv.1409.8272 · pith_short_12: 6BE5RO6NHGAL · pith_short_16: 6BE5RO6NHGALLFHM · pith_short_8: 6BE5RO6N

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/6BE5RO6NHGALLFHM4PKECAGCW6 \
  | 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: f049d8bbcd3980b594ece3d44100c2b7baac35a41dc130505dd1b267eaecd828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc954270c8ec1ef1ab18426478b2d9b61774d963127b8f6be2f8b115b87da41a",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-09-29T19:59:21Z",
    "title_canon_sha256": "c56d4b5f7d2983a2e5ecf0e6a10aa71a377d27edc8ee9d5c07251f8313939cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8272",
    "kind": "arxiv",
    "version": 2
  }
}