Pith Number

pith:MSNMARUW

pith:2017:MSNMARUWTIFRLDRER4QZJ7EVT3

not attested not anchored not stored refs pending

Non-approximability and Polylogarithmic Approximations of the Single-Sink Unsplittable and Confluent Dynamic Flow Problems

Bo Qin, Hadi Khodabande, Mordecai J. Golin

arxiv:1709.10307 v1 · 2017-09-29 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MSNMARUWTIFRLDRER4QZJ7EVT3}

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	2026-05-18T00:34:03.563633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

649ac046969a0b158e248f2194fc959ee589d38d9b8041cbf3c960fc0c4f1316

Aliases

arxiv: 1709.10307 · arxiv_version: 1709.10307v1 · doi: 10.48550/arxiv.1709.10307 · pith_short_12: MSNMARUWTIFR · pith_short_16: MSNMARUWTIFRLDRE · pith_short_8: MSNMARUW

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/MSNMARUWTIFRLDRER4QZJ7EVT3 \
  | 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: 649ac046969a0b158e248f2194fc959ee589d38d9b8041cbf3c960fc0c4f1316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d758e699f4601c85fe99853d70c47f1c0c6090e8c68ad2e8748428ae789bcdde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-09-29T10:00:19Z",
    "title_canon_sha256": "1649d4f8bdf0a93e14705efe5433bf3c20ef031a25f4f38f9e0b8ea152c1925e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10307",
    "kind": "arxiv",
    "version": 1
  }
}