Pith Number

pith:HGEVE26L

pith:2023:HGEVE26LCQZ3J52LYAOQW6V5Z2

not attested not anchored not stored refs pending

Discovery of the C7N- anion in TMC-1 and IRC+10216

B. Tercero, C. Cabezas, J. Cernicharo, J. R. Pardo, M. Agundez, M. Guelin, N. Marcelino, P. de Vicente, R. Fuentetaja

arxiv:2301.12819 v2 · 2023-01-30 · 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{HGEVE26LCQZ3J52LYAOQW6V5Z2}

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	2026-07-05T05:41:40.454025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3989526bcb1433b4f74bc01d0b7abdcebb913849d64f73f233473a5946caf524

Aliases

arxiv: 2301.12819 · arxiv_version: 2301.12819v2 · doi: 10.48550/arxiv.2301.12819 · pith_short_12: HGEVE26LCQZ3 · pith_short_16: HGEVE26LCQZ3J52L · pith_short_8: HGEVE26L

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/HGEVE26LCQZ3J52LYAOQW6V5Z2 \
  | 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: 3989526bcb1433b4f74bc01d0b7abdcebb913849d64f73f233473a5946caf524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c16cf449344e877161694228cb0aa7e8a138c425d5641cfb7effd322ead119a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-30T12:17:59Z",
    "title_canon_sha256": "9907472fe2e9be8ed8f2ca58c4d7b12ea1eb332d0d3e29683b193b900a5215c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.12819",
    "kind": "arxiv",
    "version": 2
  }
}