Pith Number

pith:CTQFYUWG

pith:2019:CTQFYUWGK5XM32ZVYZFZFSWH7O

not attested not anchored not stored refs pending

Two-Dimensional Forms of Robust CO$_2$ Reduction Photocatalysts

Arunima K. Singh, Joseph H. Montoya, Kristin A. Persson, Steven B. Torrisi, Tathagata Biswas

arxiv:1912.09545 v1 · 2019-12-19 · cond-mat.mtrl-sci · physics.chem-ph · physics.comp-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{CTQFYUWGK5XM32ZVYZFZFSWH7O}

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	2026-07-05T00:27:35.417513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14e05c52c6576ecdeb35c64b92cac7fba9b2c89539f38a1ddd53b19f2bc47335

Aliases

arxiv: 1912.09545 · arxiv_version: 1912.09545v1 · doi: 10.48550/arxiv.1912.09545 · pith_short_12: CTQFYUWGK5XM · pith_short_16: CTQFYUWGK5XM32ZV · pith_short_8: CTQFYUWG

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/CTQFYUWGK5XM32ZVYZFZFSWH7O \
  | 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: 14e05c52c6576ecdeb35c64b92cac7fba9b2c89539f38a1ddd53b19f2bc47335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f0d47a4f1b8facba8fe889c4e80da27464854619cd37dc6359f7b9d0514158",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-12-19T21:00:05Z",
    "title_canon_sha256": "6453f791ef00eba22ec23e9e867efff9d4f06173909eaf1e7e992d3833e07c3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.09545",
    "kind": "arxiv",
    "version": 1
  }
}