Pith Number

pith:BENZ2GLH

pith:2017:BENZ2GLHGXMIHY4UPZ3VXRJESB

not attested not anchored not stored refs pending

Deep Optimization for Spectrum Repacking

Alexandre Fr\'echette, Kevin Leyton-Brown, Neil Newman

arxiv:1706.03304 v1 · 2017-06-11 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BENZ2GLHGXMIHY4UPZ3VXRJESB}

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	2026-05-18T00:42:37.837076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

091b9d196735d883e3947e775bc524907c5213dad9905edb5d6f3e8f66b3f7ca

Aliases

arxiv: 1706.03304 · arxiv_version: 1706.03304v1 · doi: 10.48550/arxiv.1706.03304 · pith_short_12: BENZ2GLHGXMI · pith_short_16: BENZ2GLHGXMIHY4U · pith_short_8: BENZ2GLH

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/BENZ2GLHGXMIHY4UPZ3VXRJESB \
  | 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: 091b9d196735d883e3947e775bc524907c5213dad9905edb5d6f3e8f66b3f7ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cfa929874c6bfb26153504973552e31abfc8e2dcfafeca44fdcec1daae21c62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-06-11T03:15:20Z",
    "title_canon_sha256": "139c8ac52240cebbff770b4c0e80e0d0ddca34f17918a2ced0738fe2fc8c60ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03304",
    "kind": "arxiv",
    "version": 1
  }
}