Pith Number

pith:FRI5XCLK

pith:2020:FRI5XCLKZUPJHODBAETNTNCPRA

not attested not anchored not stored refs pending

Discovery of HC4NC in TMC-1: A study of the isomers of HC3N, HC5N, and HC7N

B. Tercero, C. Bermudez, C. Cabezas, J. Cernicharo, J. R. Pardo, M. Agundez, N. Marcelino

arxiv:2009.07686 v1 · 2020-09-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRI5XCLKZUPJHODBAETNTNCPRA}

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	2026-07-05T01:40:45.042753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c51db896acd1e93b8610126d9b44f880f9f1059e227a90a489b4df6a72dcbc7

Aliases

arxiv: 2009.07686 · arxiv_version: 2009.07686v1 · doi: 10.48550/arxiv.2009.07686 · pith_short_12: FRI5XCLKZUPJ · pith_short_16: FRI5XCLKZUPJHODB · pith_short_8: FRI5XCLK

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/FRI5XCLKZUPJHODBAETNTNCPRA \
  | 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: 2c51db896acd1e93b8610126d9b44f880f9f1059e227a90a489b4df6a72dcbc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee82ff5fcd353148e05ab7bbe2d324d4bdc332737fd45d1ac51d7072797fbd4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-16T13:44:23Z",
    "title_canon_sha256": "a5c771609f08d1d584ef3afc0e248acfd8141994ae2b1a05660e1fb60f3e4875"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07686",
    "kind": "arxiv",
    "version": 1
  }
}