Pith Number

pith:RZVGQKPO

pith:2019:RZVGQKPOIMUC6YQ4CINUAVB766

not attested not anchored not stored refs pending

A systematic TMRT observational study of Galactic $^{12}$C/$^{13}$C ratios from Formaldehyde

C. Henkel, J. Huang, J. Li, J. M. Jian, J. S. Zhang, L. W. Jia, T. Mufakharov, X. D. Tang, Y. J. Wu, Y. Q. Li, Y. T. Yan, Y. X. Wang, Z. A. Zeng

arxiv:1904.04108 v1 · 2019-04-08 · 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{RZVGQKPOIMUC6YQ4CINUAVB766}

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	2026-05-17T23:44:02.267516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e6a6829ee43282f621c121b40543ff7af25840781e970ba4b9229f9fae0c260

Aliases

arxiv: 1904.04108 · arxiv_version: 1904.04108v1 · doi: 10.48550/arxiv.1904.04108 · pith_short_12: RZVGQKPOIMUC · pith_short_16: RZVGQKPOIMUC6YQ4 · pith_short_8: RZVGQKPO

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/RZVGQKPOIMUC6YQ4CINUAVB766 \
  | 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: 8e6a6829ee43282f621c121b40543ff7af25840781e970ba4b9229f9fae0c260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9c581499ff553ac6f5b6588fb3affe433ee4cacd0af94d560b73bb189ad522e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-08T15:00:09Z",
    "title_canon_sha256": "a22295a258224ed9d209bb70a80ddd58de258cb6f7f575943a31c8f42b1d11db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04108",
    "kind": "arxiv",
    "version": 1
  }
}