Pith Number

pith:YE2KLBA6

pith:2013:YE2KLBA6TZKTNS4YUIZ2L2TQE3

not attested not anchored not stored refs pending

Facially exposed cones are not always nice

Vera Roshchina

arxiv:1301.1000 v4 · 2013-01-06 · math.OC · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YE2KLBA6TZKTNS4YUIZ2L2TQE3}

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	2026-05-18T03:06:22.335383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c134a5841e9e5536cb98a233a5ea7026e6fdfe1483de066ddae5372741e87448

Aliases

arxiv: 1301.1000 · arxiv_version: 1301.1000v4 · doi: 10.48550/arxiv.1301.1000 · pith_short_12: YE2KLBA6TZKT · pith_short_16: YE2KLBA6TZKTNS4Y · pith_short_8: YE2KLBA6

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/YE2KLBA6TZKTNS4YUIZ2L2TQE3 \
  | 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: c134a5841e9e5536cb98a233a5ea7026e6fdfe1483de066ddae5372741e87448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b452e1fe4fbaad75e065ff2a4637141d6dcffddaa04a71faa1ef17ee6c62dbdf",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-01-06T12:16:55Z",
    "title_canon_sha256": "d3ec2911d9f0171696ebccb3e2fc4f00f6501899b0f0ae06cd385fbc8bc79c41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1000",
    "kind": "arxiv",
    "version": 4
  }
}