Pith Number

pith:PPPXANHO

pith:2017:PPPXANHOPMHFX54M7HKGPF6ZG7

not attested not anchored not stored refs pending

Copper-catalyzed efficient synthesis of 5-arylindazolo[3,2-b]quinazolin-7(5H)-ones from 2-nitrobenzaldehydes

Karim Akbari Dilmaghani, Mehdi Soheilizad, Mohammad Mahdavi, Zahra ArastehFard

arxiv:1712.05904 v1 · 2017-12-16 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPPXANHOPMHFX54M7HKGPF6ZG7}

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	2026-05-18T00:27:51.554023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bdf7034ee7b0e5bf78cf9d46797d937d44338380fd945635999a2ed0719e14b

Aliases

arxiv: 1712.05904 · arxiv_version: 1712.05904v1 · doi: 10.48550/arxiv.1712.05904 · pith_short_12: PPPXANHOPMHF · pith_short_16: PPPXANHOPMHFX54M · pith_short_8: PPPXANHO

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/PPPXANHOPMHFX54M7HKGPF6ZG7 \
  | 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: 7bdf7034ee7b0e5bf78cf9d46797d937d44338380fd945635999a2ed0719e14b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "466ea0c00db66af3c3038ce68b6817638c4bfc8e417c795f914b61c6cf92b0ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2017-12-16T04:32:37Z",
    "title_canon_sha256": "4f5b9fa293933eb11c4b1c5466dac1ea2a5664bd6e0f1d2a5af9a95c0a033c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05904",
    "kind": "arxiv",
    "version": 1
  }
}