Pith Number

pith:POSU3TEH

pith:2014:POSU3TEH2ABNDU7CMX7XECG5NE

not attested not anchored not stored refs pending

Optimal rounding under integer constraints

Massoud Heidari, Rama Cont

arxiv:1501.00014 v1 · 2014-12-30 · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POSU3TEH2ABNDU7CMX7XECG5NE}

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	2026-05-18T02:30:15.029819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba54dcc87d002d1d3e265ff7208dd6920167d204cba89c9348bb9e150b555da

Aliases

arxiv: 1501.00014 · arxiv_version: 1501.00014v1 · doi: 10.48550/arxiv.1501.00014 · pith_short_12: POSU3TEH2ABN · pith_short_16: POSU3TEH2ABNDU7C · pith_short_8: POSU3TEH

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/POSU3TEH2ABNDU7CMX7XECG5NE \
  | 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: 7ba54dcc87d002d1d3e265ff7208dd6920167d204cba89c9348bb9e150b555da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f039b8a4612dbf370b113d12dca43c731d54abd2939017709d1306a89109c0",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-12-30T21:01:08Z",
    "title_canon_sha256": "1a1600ab0e43824f21f60b21b9cfed7e66b9fdfc6a4bd9cc7bbb8eaf8f5d81cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00014",
    "kind": "arxiv",
    "version": 1
  }
}