Pith Number

pith:BA2BHFJN

pith:2012:BA2BHFJNSEGDROYYFBYQ2GUORF

not attested not anchored not stored refs pending

Propagation of Delays in the National Airspace System

Chun-Hung Chen, Kathryn Blackmond Laskey, Ning Xu

arxiv:1206.6859 v1 · 2012-06-27 · 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{BA2BHFJNSEGDROYYFBYQ2GUORF}

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	2026-05-18T03:52:15.463785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

083413952d910c38bb1828710d1a8e8975c58541661949c875d834f139434def

Aliases

arxiv: 1206.6859 · arxiv_version: 1206.6859v1 · doi: 10.48550/arxiv.1206.6859 · pith_short_12: BA2BHFJNSEGD · pith_short_16: BA2BHFJNSEGDROYY · pith_short_8: BA2BHFJN

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/BA2BHFJNSEGDROYYFBYQ2GUORF \
  | 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: 083413952d910c38bb1828710d1a8e8975c58541661949c875d834f139434def

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d10e789c467ef272ff6ad00d4623192f14f0c4b9fa473dbf6f82eab8949fe11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-06-27T16:27:12Z",
    "title_canon_sha256": "fb72cf36e64085e7310ad909c3d5a4822eeb65bd943621bcfc271d4b5ee8c97e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6859",
    "kind": "arxiv",
    "version": 1
  }
}