Pith Number

pith:CFL7JRDZ

pith:2004:CFL7JRDZEZLSABQP2WTIS77HT7

not attested not anchored not stored refs pending

The XPS peak structure of condensed aromatic anhydrides and imides

E. Umbach, H.-J. Freund, M. Jung, T. Porwol, U. Baston

arxiv:cond-mat/0408663 v2 · 2004-08-30 · 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{CFL7JRDZEZLSABQP2WTIS77HT7}

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	2026-07-04T14:21:30.427563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1157f4c479265720060fd5a6897fe79ff04ea16f9a435cec73c161b5d7b08fbd

Aliases

arxiv: cond-mat/0408663 · arxiv_version: cond-mat/0408663v2 · doi: 10.48550/arxiv.cond-mat/0408663 · pith_short_12: CFL7JRDZEZLS · pith_short_16: CFL7JRDZEZLSABQP · pith_short_8: CFL7JRDZ

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/CFL7JRDZEZLSABQP2WTIS77HT7 \
  | 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: 1157f4c479265720060fd5a6897fe79ff04ea16f9a435cec73c161b5d7b08fbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a224efda734bb5189c170687a50cf702b0893bf3d668d247b324e2fc319e316",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2004-08-30T19:30:18Z",
    "title_canon_sha256": "b1d5888389af3f807de932ec3aab3a6f029f48a3a1c0c8ca754ab8208fad18b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0408663",
    "kind": "arxiv",
    "version": 2
  }
}