Pith Number

pith:MXPNXP7D

pith:2017:MXPNXP7DOKZHQGPLCOIUHR35HE

not attested not anchored not stored refs pending

A New Fully Polynomial Time Approximation Scheme for the Interval Subset Sum Problem

Rui Diao, Ya-Feng Liu, Yu-Hong Dai

arxiv:1704.06928 v1 · 2017-04-23 · cs.DS · math.NA · 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{MXPNXP7DOKZHQGPLCOIUHR35HE}

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	2026-05-18T00:45:55.314361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65dedbbfe372b27819eb139143c77d39350494747aca81374c9b120f45399a3d

Aliases

arxiv: 1704.06928 · arxiv_version: 1704.06928v1 · doi: 10.48550/arxiv.1704.06928 · pith_short_12: MXPNXP7DOKZH · pith_short_16: MXPNXP7DOKZHQGPL · pith_short_8: MXPNXP7D

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/MXPNXP7DOKZHQGPLCOIUHR35HE \
  | 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: 65dedbbfe372b27819eb139143c77d39350494747aca81374c9b120f45399a3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf079ce88d9384a88f98d7379351d50e921c3369b8aa2b393a863b1acdc49d7",
    "cross_cats_sorted": [
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-04-23T14:41:26Z",
    "title_canon_sha256": "6a5c353564ce7a6b250fa60ee7259024798f0b9bf63cf26a7d3c0de1e3d7d370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06928",
    "kind": "arxiv",
    "version": 1
  }
}