Pith Number

pith:UCQ7PQNT

pith:2011:UCQ7PQNTSBNAX3YIMNNRRPXLZN

not attested not anchored not stored refs pending

Algorithms for the Problems of Length-Constrained Heaviest Segments

Asish Mukhopadhyay, Md. Shafiul Alam

arxiv:1108.4972 v1 · 2011-08-25 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCQ7PQNTSBNAX3YIMNNRRPXLZN}

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	2026-05-18T02:21:37.087799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0a1f7c1b3905a0bef08635b18beebcb55da6a1e5529b55374f8346f998c2c54

Aliases

arxiv: 1108.4972 · arxiv_version: 1108.4972v1 · doi: 10.48550/arxiv.1108.4972 · pith_short_12: UCQ7PQNTSBNA · pith_short_16: UCQ7PQNTSBNAX3YI · pith_short_8: UCQ7PQNT

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/UCQ7PQNTSBNAX3YIMNNRRPXLZN \
  | 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: a0a1f7c1b3905a0bef08635b18beebcb55da6a1e5529b55374f8346f998c2c54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34838e28747428759f1dd75ef0ae3219468183c57a4e79123ee96b8d27bbd456",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-08-25T00:44:13Z",
    "title_canon_sha256": "fd06ce829a3c875a7347411aebd0030654cdf37eb4163b6024aa189f11bd284c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4972",
    "kind": "arxiv",
    "version": 1
  }
}