Pith Number

pith:FALIQAD3

pith:2017:FALIQAD3CX47YNFVXVQUU3LW2Z

not attested not anchored not stored refs pending

A new look at the molecular gas in M42 and M43; possible evidence for cloud-cloud collision which triggered formation of the OB stars in the Orion Nebula Cluster

Akio Ohama, Asao Habe, Atsushi Nishimura, Hidetoshi Sano, Hiroaki Yamamoto, Kazufumi Torii, Kazuhiro Shima, Kengo Tachihara, Mikito Kohno, Toshikazu Onishi, Yasuo Fukui, Yoshito Shimajiri, Yusuke Hattori

arxiv:1701.04669 v4 · 2017-01-17 · 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{FALIQAD3CX47YNFVXVQUU3LW2Z}

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	2026-05-18T00:13:32.881444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281688007b15f9fc34b5bd614a6d76d65eb0db9898bdfbf12fa34b54168d5e16

Aliases

arxiv: 1701.04669 · arxiv_version: 1701.04669v4 · doi: 10.48550/arxiv.1701.04669 · pith_short_12: FALIQAD3CX47 · pith_short_16: FALIQAD3CX47YNFV · pith_short_8: FALIQAD3

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/FALIQAD3CX47YNFVXVQUU3LW2Z \
  | 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: 281688007b15f9fc34b5bd614a6d76d65eb0db9898bdfbf12fa34b54168d5e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "025e15f77a11bd754be3340189f49cc0415d0acc21388a32f623cbceada96f99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-17T13:53:07Z",
    "title_canon_sha256": "2bfbb3d79e0f29d1845eac14be080ddc822e11bc3ee3e462586cfb1756b44fc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04669",
    "kind": "arxiv",
    "version": 4
  }
}