Pith Number

pith:NVLXYIV3

pith:2026:NVLXYIV36MCSJ2BAOXH2F3ONHL

not attested not anchored not stored refs pending

EPISODE II: Variability in the CO and H$_2$O rovibrational absorption lines in a periodically variable protostar EC 53

Chul-Hwan Kim, Doug Johnstone, Giseon Baek, Gregory J. Herczeg, Ho-Gyu Lee, Jaeyeong Kim, Jeong-Eun Lee, Joel D. Green, Jun Takahashi, Jun Toshikawa, Klaus M. Pontoppidan, Logan Francis, Motohide Tamura, Seokho Lee, Takahiro Nagayama, Takayoshi Kusune, Tomohito Ohshima, Tomoki Saito, Yao-Lun Yang, Yoichi Itoh, Young-Jun Kim, Yuri Aikawa

arxiv:2606.06628 v1 · 2026-06-04 · 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{NVLXYIV36MCSJ2BAOXH2F3ONHL}

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	2026-06-08T01:04:19.949179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d577c22bbf30524e82075cfa2edcd3afca75e157883c316b7eb3e0178a99c92

Aliases

arxiv: 2606.06628 · arxiv_version: 2606.06628v1 · doi: 10.48550/arxiv.2606.06628 · pith_short_12: NVLXYIV36MCS · pith_short_16: NVLXYIV36MCSJ2BA · pith_short_8: NVLXYIV3

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/NVLXYIV36MCSJ2BAOXH2F3ONHL \
  | 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: 6d577c22bbf30524e82075cfa2edcd3afca75e157883c316b7eb3e0178a99c92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1552f9ac213abf01c08a6ff2aaba2916ed3e8660c3ea8491426f16662019a5b8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-04T18:25:10Z",
    "title_canon_sha256": "692f169dd5ac538ee6f6428694e8a52599bebb45f8e3db0f278460d6bf12b814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06628",
    "kind": "arxiv",
    "version": 1
  }
}