Pith Number

pith:P7BSBH6F

pith:2018:P7BSBH6FFI3DOE5CFB3DGIEWUV

not attested not anchored not stored refs pending

Chemical survey toward young stellar objects in the Perseus molecular cloud complex

Ana Lopez-Sepulcre, Aya E. Higuchi, Bertrand Lefloch, Cecilia Ceccarelli, Claudio Codella, Kento Yoshida, Muneaki Imai, Nami Sakai, Rafael Bachiller, Satoshi Yamamoto, Takeshi Sakai, Tomoya Hirota, Yichen Zhang, Yoko Oya, Yoshimasa Watanabe

arxiv:1804.08245 v1 · 2018-04-23 · 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{P7BSBH6FFI3DOE5CFB3DGIEWUV}

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	2026-05-18T00:11:34.304143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc3209fc52a363713a22876332096a54abdf37a1bb0afd3e7508077c66b6b39

Aliases

arxiv: 1804.08245 · arxiv_version: 1804.08245v1 · doi: 10.48550/arxiv.1804.08245 · pith_short_12: P7BSBH6FFI3D · pith_short_16: P7BSBH6FFI3DOE5C · pith_short_8: P7BSBH6F

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/P7BSBH6FFI3DOE5CFB3DGIEWUV \
  | 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: 7fc3209fc52a363713a22876332096a54abdf37a1bb0afd3e7508077c66b6b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "730e2170bed87e8529b174a01adc6f14be0ba7e96c219029814feec257f4a2ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-23T05:16:54Z",
    "title_canon_sha256": "0987ff622f1875a4bea56a384c545a9697bc0a258a167f7c830eed8c002299e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08245",
    "kind": "arxiv",
    "version": 1
  }
}