Pith Number

pith:PI24N7YV

pith:2021:PI24N7YVBANQDYVTLSBHNOQ64T

not attested not anchored not stored refs pending

Solving Large Steiner Tree Problems in Graphs for Cost-Efficient Fiber-To-The-Home Network Expansion

Dani\"elle Schuman, Kyrill Schmid, Marc Geitz, Markus Friedrich, Thomas Gabor, Tobias M\"uller

arxiv:2109.10617 v2 · 2021-09-22 · cs.AI · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PI24N7YVBANQDYVTLSBHNOQ64T}

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	2026-07-05T03:34:46.891673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a35c6ff15081b01e2b35c8276ba1ee4fdda36b85d07c9296710b49b0aabb380

Aliases

arxiv: 2109.10617 · arxiv_version: 2109.10617v2 · doi: 10.48550/arxiv.2109.10617 · pith_short_12: PI24N7YVBANQ · pith_short_16: PI24N7YVBANQDYVT · pith_short_8: PI24N7YV

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/PI24N7YVBANQDYVTLSBHNOQ64T \
  | 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: 7a35c6ff15081b01e2b35c8276ba1ee4fdda36b85d07c9296710b49b0aabb380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c588be1eef5ac2e83dda8817762b0dc3e40a370f5ea2185aca873c6e591ab39",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-09-22T09:33:17Z",
    "title_canon_sha256": "a511e9a37153e74931a5a2bbc06ff5a59c398d4013d6c94d62d2d89d168e0400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10617",
    "kind": "arxiv",
    "version": 2
  }
}