Pith Number

pith:QDHFAWYE

pith:2013:QDHFAWYEJUGMXMR66BBN6GMP3D

not attested not anchored not stored refs pending

Thermodynamic Self Assembly of Two-Dimensional pi-Conjugated Metal-Porphyrin Covalent Organic Frameworks by On-Site Equilibrium Polymerization

Adam Z. Stieg, James K. Gimzewski, Kiryu Ikebe, Masashi Kunitake, Nobuo Kimizuka, Rintaro Higuchi, Ryota Tanoue, Shinobu Uemura

arxiv:1311.0233 v1 · 2013-11-01 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDHFAWYEJUGMXMR66BBN6GMP3D}

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	2026-05-18T02:58:21.576980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ce505b044d0ccbb23ef042df198fd8cd09ab36adeb8d1d44040f822e72cd5b

Aliases

arxiv: 1311.0233 · arxiv_version: 1311.0233v1 · doi: 10.48550/arxiv.1311.0233 · pith_short_12: QDHFAWYEJUGM · pith_short_16: QDHFAWYEJUGMXMR6 · pith_short_8: QDHFAWYE

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/QDHFAWYEJUGMXMR66BBN6GMP3D \
  | 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: 80ce505b044d0ccbb23ef042df198fd8cd09ab36adeb8d1d44040f822e72cd5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcef76220df7c61df0bfa2203fe8a5638ebe008e0d72797b703ad7c5cb9fe585",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-11-01T17:34:17Z",
    "title_canon_sha256": "8f018d94ce7f5ec2d380ba0d484586aea7b5387f2d4503cd4a56e1c831fd096b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0233",
    "kind": "arxiv",
    "version": 1
  }
}