Pith Number

pith:FSEDSFLI

pith:2017:FSEDSFLIRXDDPT2DYMZS3AWGSN

not attested not anchored not stored refs pending

The Set Cover Conjecture and Subgraph Isomorphism with a Tree Pattern

Ohad Trabelsi, Robert Krauthgamer

arxiv:1711.08041 v3 · 2017-11-21 · 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{FSEDSFLIRXDDPT2DYMZS3AWGSN}

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	2026-05-17T23:56:10.403399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c883915688dc637cf43c3332d82c6937ab4246a67a7dbfa9bfe9e0fb233e71b

Aliases

arxiv: 1711.08041 · arxiv_version: 1711.08041v3 · doi: 10.48550/arxiv.1711.08041 · pith_short_12: FSEDSFLIRXDD · pith_short_16: FSEDSFLIRXDDPT2D · pith_short_8: FSEDSFLI

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/FSEDSFLIRXDDPT2DYMZS3AWGSN \
  | 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: 2c883915688dc637cf43c3332d82c6937ab4246a67a7dbfa9bfe9e0fb233e71b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec03e9fb647486ae320c54b02562e2f301ad51a5477f2c7ee165d7e147150054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-11-21T21:22:31Z",
    "title_canon_sha256": "0f8f2db0c6877a3b1783fc0dc646b92fc7a21a9ae5a9a40599f60b0352878be1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08041",
    "kind": "arxiv",
    "version": 3
  }
}