Pith Number

pith:7L4DJXCJ

pith:2020:7L4DJXCJSOO2BLC6KD5FILQYI3

not attested not anchored not stored refs pending

ALMA ACA and Nobeyama observations of two Orion cores in deuterated molecular lines

Di Li, Gary A. Fuller, Gwanjeong Kim, Hee-Weon Yi, Isabelle Ristorcelli, James Di Francesco, Jeong-Eun Lee, Kee-Tae Kim, Ken'ichi Tatematsu, Ke Wang, L. Viktor T'oth, Mark A. Thompson, Miju Kang, Mika Juvela, Minho Choi, Naomi Hirano, Neal J. Evans II, Patricio Sanhueza, Quang Nguyen Lu'o'ng, Ryo Kandori, Satoshi Ohashi, Sheng-Yuan Liu, Siyi Feng, Takeshi Sakai, Tie Liu, Tomoya Hirota, Xing Lu, Yuefang Wu

arxiv:2004.12548 v1 · 2020-04-27 · 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{7L4DJXCJSOO2BLC6KD5FILQYI3}

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	2026-07-05T01:08:29.712238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf834dc49939da0ac5e50fa542e1846fdb92330e9cb78085e12de6658e27b1b

Aliases

arxiv: 2004.12548 · arxiv_version: 2004.12548v1 · doi: 10.48550/arxiv.2004.12548 · pith_short_12: 7L4DJXCJSOO2 · pith_short_16: 7L4DJXCJSOO2BLC6 · pith_short_8: 7L4DJXCJ

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/7L4DJXCJSOO2BLC6KD5FILQYI3 \
  | 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: faf834dc49939da0ac5e50fa542e1846fdb92330e9cb78085e12de6658e27b1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d6e37ed6b40dca48216a2aee27168a99ec56ea258529b68bfbad3bbd77d4ebd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-27T02:26:12Z",
    "title_canon_sha256": "ec91378506e2d279ce1811e3fa07f6609020b6068503e0512a17c14938a2ef22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.12548",
    "kind": "arxiv",
    "version": 1
  }
}