Pith Number

pith:62FOPYYC

pith:2018:62FOPYYCSCQBLZL3KOOJVMGN46

not attested not anchored not stored refs pending

Extremely Dense Cores associated with Chandra Sources in Ophiuchus A: Forming Brown Dwarfs Unveiled?

Chihomi Hara, David Wilner (Harvard), Fumitaka Nakamura, James Di Francesco (NRC Herzberg), Kazuya Saigo, Kengo Tomida (Osaka Univ.), Masahiro N. Machida (Kyushu Univ.), Motohide Tamura (Tokyo), Naomi Hirano (ASIAA), Rachel Friesen (NRAO), Ryohei Kawabe, Shigehisa Takakuwa (Kagoshima Univ.), Takashi Tsukagoshi (NAOJ), Takeshi Kamazaki (NAOJ), Yohko Tsuboi (Chuo Univ.), Yoichi Tamura (Nagoya Univ.), Yoshito Shimajiri (Sacley), Yumiko Oasa (Saitama Univ.)

arxiv:1810.00573 v1 · 2018-10-01 · astro-ph.SR · 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{62FOPYYCSCQBLZL3KOOJVMGN46}

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	2026-05-18T00:01:57.562171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f68ae7e30290a015e57b539c9ab0cde79332c053366e67f65e78edd9ddd8147e

Aliases

arxiv: 1810.00573 · arxiv_version: 1810.00573v1 · doi: 10.48550/arxiv.1810.00573 · pith_short_12: 62FOPYYCSCQB · pith_short_16: 62FOPYYCSCQBLZL3 · pith_short_8: 62FOPYYC

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/62FOPYYCSCQBLZL3KOOJVMGN46 \
  | 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: f68ae7e30290a015e57b539c9ab0cde79332c053366e67f65e78edd9ddd8147e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d847c12cb7f1a886df2ff944968144059f9e453eaa3028bb7885fc3adef2b3c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-01T08:24:54Z",
    "title_canon_sha256": "47dad9ea3c0ef9ea338c6327af9a0618d0f334b5386edfb61c1c4062777db3af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00573",
    "kind": "arxiv",
    "version": 1
  }
}