Pith Number

pith:7UIDV4DD

pith:2014:7UIDV4DDHRTD5WP2QYCBFJQPPD

not attested not anchored not stored refs pending

Coal Blending: Business Value, Analysis, and Optimization

Antony Iorio, James Whitacre, Sven Schellenberg

arxiv:1405.0276 v2 · 2014-05-01 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UIDV4DDHRTD5WP2QYCBFJQPPD}

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	2026-05-18T02:51:07.918413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd103af0633c663ed9fa860412a60f78f7f20cf33f3105f05a8ff3123cec78f1

Aliases

arxiv: 1405.0276 · arxiv_version: 1405.0276v2 · doi: 10.48550/arxiv.1405.0276 · pith_short_12: 7UIDV4DDHRTD · pith_short_16: 7UIDV4DDHRTD5WP2 · pith_short_8: 7UIDV4DD

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/7UIDV4DDHRTD5WP2QYCBFJQPPD \
  | 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: fd103af0633c663ed9fa860412a60f78f7f20cf33f3105f05a8ff3123cec78f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b232232431531581b226af1bce0fb3d428b823cbdbd340c3629ee9307d334d5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2014-05-01T07:59:10Z",
    "title_canon_sha256": "2f3cd32c259e03f114405ab204402a9324955908e59c5ccf032a2494a53f345d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0276",
    "kind": "arxiv",
    "version": 2
  }
}