Pith Number

pith:APL4YZZG

pith:2019:APL4YZZG67PAQ66FZ4XTNNXJZX

not attested not anchored not stored refs pending

Defective hierarchical porous copper-based metal-organic frameworks synthesised via facile acid etching strategy

Asel Sartbaeva, Huan V. Doan, Jean-Charles Eloi, Sean Davis, Valeska P. Ting

arxiv:1904.10524 v1 · 2019-04-23 · 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{APL4YZZG67PAQ66FZ4XTNNXJZX}

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	2026-05-17T23:47:53.509464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d7cc6726f7de087bc5cf2f36b6e9cdc5c7c501e6d9980f6fa727ccebcd87a6

Aliases

arxiv: 1904.10524 · arxiv_version: 1904.10524v1 · doi: 10.48550/arxiv.1904.10524 · pith_short_12: APL4YZZG67PA · pith_short_16: APL4YZZG67PAQ66F · pith_short_8: APL4YZZG

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/APL4YZZG67PAQ66FZ4XTNNXJZX \
  | 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: 03d7cc6726f7de087bc5cf2f36b6e9cdc5c7c501e6d9980f6fa727ccebcd87a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ef4a6897eaaedb2f8609a79c2ae358d2e8a868816a3f8dff0e6e4cbc817e5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-04-23T20:17:59Z",
    "title_canon_sha256": "1b87c02ef7e9ea62d7b535eae0114d963681b005ff21c19ee41b637febc54bc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10524",
    "kind": "arxiv",
    "version": 1
  }
}