Pith Number

pith:2NWY27MY

pith:2019:2NWY27MYSM67E5IG6CTAVBYKKJ

not attested not anchored not stored refs pending

Optimal Resource Procurement and the Price of Causality

Akhil Shetty, Kameshwar Poolla, Pravin Varaiya, Sen Li

arxiv:1906.02907 v1 · 2019-06-07 · 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{2NWY27MYSM67E5IG6CTAVBYKKJ}

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	2026-05-17T23:43:55.702635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d36d8d7d98933df27506f0a60a870a5257249e9c163a2b1ca53105751e56ef2e

Aliases

arxiv: 1906.02907 · arxiv_version: 1906.02907v1 · doi: 10.48550/arxiv.1906.02907 · pith_short_12: 2NWY27MYSM67 · pith_short_16: 2NWY27MYSM67E5IG · pith_short_8: 2NWY27MY

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/2NWY27MYSM67E5IG6CTAVBYKKJ \
  | 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: d36d8d7d98933df27506f0a60a870a5257249e9c163a2b1ca53105751e56ef2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8931c77dc0d734f28c762e60ebe89b50405c9a444eaa1d0a9d961a489fc5564a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-06-07T05:43:20Z",
    "title_canon_sha256": "d32dce2ee11a693faf7ba5b49da62a524ea0604a65436c60ddc7fb89b172e33a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02907",
    "kind": "arxiv",
    "version": 1
  }
}