Pith Number

pith:25OGJV5V

pith:2017:25OGJV5VOP42RWF6AU4TO7I4LD

not attested not anchored not stored refs pending

On a Strategic Model of Pollution Control

Giorgio Ferrari, Torben Koch

arxiv:1707.03315 v2 · 2017-07-11 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25OGJV5VOP42RWF6AU4TO7I4LD}

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	2026-05-18T00:14:01.025765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d75c64d7b573f9a8d8be0539377d1c58dfba2e8b86f76a948f9c054e38562019

Aliases

arxiv: 1707.03315 · arxiv_version: 1707.03315v2 · doi: 10.48550/arxiv.1707.03315 · pith_short_12: 25OGJV5VOP42 · pith_short_16: 25OGJV5VOP42RWF6 · pith_short_8: 25OGJV5V

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/25OGJV5VOP42RWF6AU4TO7I4LD \
  | 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: d75c64d7b573f9a8d8be0539377d1c58dfba2e8b86f76a948f9c054e38562019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "295a22e2b4e39bf52106edfeed15a33c81dc22bd25f4a8eb1d763819a32203f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-11T15:11:05Z",
    "title_canon_sha256": "975feee9d918a7ecf3d9f3d905b5d582476726606b0e30f6f4921f23d5f01a7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03315",
    "kind": "arxiv",
    "version": 2
  }
}