Pith Number

pith:U3GPALKI

pith:2020:U3GPALKIZ5TYEHARCD7TSZ3T44

not attested not anchored not stored refs pending

Optical Fingerprints of Polynuclear Complexes in Lead-Halide Perovskite Precursor Solutions

Ana M. Valencia, Caterina Cocchi, Eva Unger, Oleksandra Shargaieva, Richard Schier

arxiv:2012.08440 v2 · 2020-12-15 · 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{U3GPALKIZ5TYEHARCD7TSZ3T44}

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	2026-07-05T02:21:19.511173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ccf02d48cf67821c1110ff396773e70865b1932aa1aeed92e84d9a8bdf1bbd

Aliases

arxiv: 2012.08440 · arxiv_version: 2012.08440v2 · doi: 10.48550/arxiv.2012.08440 · pith_short_12: U3GPALKIZ5TY · pith_short_16: U3GPALKIZ5TYEHAR · pith_short_8: U3GPALKI

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/U3GPALKIZ5TYEHARCD7TSZ3T44 \
  | 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: a6ccf02d48cf67821c1110ff396773e70865b1932aa1aeed92e84d9a8bdf1bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c56fdad062b00de678dfdd5939fcaaeab928fe0267f28187bff8a3a7209562cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2020-12-15T17:27:58Z",
    "title_canon_sha256": "993bd04083ac17adeb85ab0e633608e5a6dd8a308e063c24314097db6d559ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08440",
    "kind": "arxiv",
    "version": 2
  }
}