Pith Number

pith:3KXKOP3L

pith:2016:3KXKOP3LGVDRYLK6JDKSW2HIUB

not attested not anchored not stored refs pending

The Dating Problem and Optimal Ordering of Sequential Opportunities

Giuseppe C. Calafiore

arxiv:1609.07860 v1 · 2016-09-26 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KXKOP3LGVDRYLK6JDKSW2HIUB}

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	2026-05-18T01:03:55.223806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daaea73f6b35471c2d5e48d52b68e8a0611207aa95d5236e25f14821a2e0c030

Aliases

arxiv: 1609.07860 · arxiv_version: 1609.07860v1 · doi: 10.48550/arxiv.1609.07860 · pith_short_12: 3KXKOP3LGVDR · pith_short_16: 3KXKOP3LGVDRYLK6 · pith_short_8: 3KXKOP3L

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/3KXKOP3LGVDRYLK6JDKSW2HIUB \
  | 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: daaea73f6b35471c2d5e48d52b68e8a0611207aa95d5236e25f14821a2e0c030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8b88dffc0d2f0196e8d7250e522507bcef0b5b981146915d56ff4d5a03030b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2016-09-26T06:55:06Z",
    "title_canon_sha256": "3e7cdf8607dda3b1982b39999719221bc0bdbb5401367f444629d78d5465e769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07860",
    "kind": "arxiv",
    "version": 1
  }
}