Pith Number

pith:TYVPMTMK

pith:2018:TYVPMTMKESGF7OD3FOMPI52FDQ

not attested not anchored not stored refs pending

Quasi-Polynomial Algorithms for Submodular Tree Orienteering and Other Directed Network Design Problems

Rohan Ghuge, Viswanath Nagarajan

arxiv:1812.01768 v2 · 2018-12-05 · 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{TYVPMTMKESGF7OD3FOMPI52FDQ}

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	2026-05-17T23:49:40.226538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e2af64d8a248c5fb87b2b98f477451c04ea579993964ed1542cd3b5ff80b97b

Aliases

arxiv: 1812.01768 · arxiv_version: 1812.01768v2 · doi: 10.48550/arxiv.1812.01768 · pith_short_12: TYVPMTMKESGF · pith_short_16: TYVPMTMKESGF7OD3 · pith_short_8: TYVPMTMK

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/TYVPMTMKESGF7OD3FOMPI52FDQ \
  | 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: 9e2af64d8a248c5fb87b2b98f477451c04ea579993964ed1542cd3b5ff80b97b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd057fe7192840321843082d58c84ead1f446a0a19239ab3034dc37e46905f29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-12-05T01:07:31Z",
    "title_canon_sha256": "1b050b0ad5011e5d663943debaab158fab80432eff521b4753f5b88db3aadf70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01768",
    "kind": "arxiv",
    "version": 2
  }
}