Pith Number

pith:37XJTIYK

pith:2016:37XJTIYK4VID6QRJQPTLLEOHJB

not attested not anchored not stored refs pending

On the edge capacitated Steiner tree problem

(2) ENSTA/UMA/CEDRIC, (3) Polytechnique Montreal/GERAD, Alain Hertz (3) ((1) CNAM/CEDRIC, Canada), Cedric Bentz (1), France, Marie-Christine Costa (2), Paris, Saclay

arxiv:1607.07082 v1 · 2016-07-24 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37XJTIYK4VID6QRJQPTLLEOHJB}

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	2026-05-18T01:10:34.850012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfee99a30ae5503f422983e6b591c74845676b2dbc31a5ed6db64f8eb9fd7e9c

Aliases

arxiv: 1607.07082 · arxiv_version: 1607.07082v1 · doi: 10.48550/arxiv.1607.07082 · pith_short_12: 37XJTIYK4VID · pith_short_16: 37XJTIYK4VID6QRJ · pith_short_8: 37XJTIYK

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/37XJTIYK4VID6QRJQPTLLEOHJB \
  | 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: dfee99a30ae5503f422983e6b591c74845676b2dbc31a5ed6db64f8eb9fd7e9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14fd351c570d55fdf3ecea5137a83f5425e2a4741f931b1f70921dfe02a4d712",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-07-24T19:20:05Z",
    "title_canon_sha256": "93a18205fb50ff49fe7f592f7e800b13e8504245942d1f06cef6de2e663213b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07082",
    "kind": "arxiv",
    "version": 1
  }
}