Pith Number

pith:BDFYZEFN

pith:2019:BDFYZEFNSG5DNUEMNXGJ7ZTIWU

not attested not anchored not stored refs pending

Organic molecules in the protoplanetary disk of DG Tau revealed by ALMA

A. Garufi, C. Ceccarelli, C. Codella, C. Favre, D. Coffey, D. Fedele, E. Bianchi, F. Bacciotti, G. Guidi, I. Kamp, K. L. J. Rygl, L. Podio, L. Testi

arxiv:1902.02720 v1 · 2019-02-07 · astro-ph.SR · astro-ph.EP · 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{BDFYZEFNSG5DNUEMNXGJ7ZTIWU}

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	2026-05-17T23:51:30.019116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08cb8c90ad91ba36d08c6dcc9fe668b5394c50db67b6fee4d4d58460d7c91ead

Aliases

arxiv: 1902.02720 · arxiv_version: 1902.02720v1 · doi: 10.48550/arxiv.1902.02720 · pith_short_12: BDFYZEFNSG5D · pith_short_16: BDFYZEFNSG5DNUEM · pith_short_8: BDFYZEFN

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/BDFYZEFNSG5DNUEMNXGJ7ZTIWU \
  | 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: 08cb8c90ad91ba36d08c6dcc9fe668b5394c50db67b6fee4d4d58460d7c91ead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49c2c19fdefcb2ecda1110be16af59b7e507089ee5672d3e47267009482d9a2d",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-07T16:34:10Z",
    "title_canon_sha256": "e7de75a1966c74d900d79d37a234e100101141b4ca7bf778994a57b3dec9f480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02720",
    "kind": "arxiv",
    "version": 1
  }
}