Pith Number

pith:CHJI6QVG

pith:2019:CHJI6QVGBIIIGE7HQ77N42I2EZ

not attested not anchored not stored refs pending

Second-order analysis for the time crisis problem

Laurent Pfeiffer, Terence Bayen

arxiv:1902.05290 v1 · 2019-02-14 · 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{CHJI6QVGBIIIGE7HQ77N42I2EZ}

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	2026-05-17T23:54:01.363983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11d28f42a60a108313e787fede691a26632c4f64347330aa353c97ce509c9d3b

Aliases

arxiv: 1902.05290 · arxiv_version: 1902.05290v1 · doi: 10.48550/arxiv.1902.05290 · pith_short_12: CHJI6QVGBIII · pith_short_16: CHJI6QVGBIIIGE7H · pith_short_8: CHJI6QVG

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/CHJI6QVGBIIIGE7HQ77N42I2EZ \
  | 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: 11d28f42a60a108313e787fede691a26632c4f64347330aa353c97ce509c9d3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79889ac4f41a77de8a22f228b64d69dacdea3693ee8f2b56b78b955ab56c8494",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-14T10:17:21Z",
    "title_canon_sha256": "73e635180dd7d62fce746a095d37c85774191590d9471834e27c1c36df9a91d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05290",
    "kind": "arxiv",
    "version": 1
  }
}