Pith Number

pith:2LTHULXZ

pith:2021:2LTHULXZWZNO5UP2P5Q7FA55QC

not attested not anchored not stored refs pending

Star burst in W49N presumably induced by cloud-cloud collision

Masahiko Hayashi, Ryosuke Miyawaki, Tetsuo Hasegawa

arxiv:2111.04929 v2 · 2021-11-09 · 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{2LTHULXZWZNO5UP2P5Q7FA55QC}

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.

Cited by

1 paper in Pith

The Zero-Age Massive Stellar Population of W49A from VLA Observations

Receipt and verification

First computed	2026-07-05T03:40:51.310424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e67a2ef9b65aeed1fa7f61f283bd80be8af42a43b008971a26e8393c7443ee

Aliases

arxiv: 2111.04929 · arxiv_version: 2111.04929v2 · doi: 10.48550/arxiv.2111.04929 · pith_short_12: 2LTHULXZWZNO · pith_short_16: 2LTHULXZWZNO5UP2 · pith_short_8: 2LTHULXZ

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/2LTHULXZWZNO5UP2P5Q7FA55QC \
  | 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: d2e67a2ef9b65aeed1fa7f61f283bd80be8af42a43b008971a26e8393c7443ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6df0854a1d25b2fa66899005c191ffcb6a70136fabe09321d674d5dd3c74952",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-09T03:22:47Z",
    "title_canon_sha256": "023126ce137a5e2ae9f70c746aecebb61a4bf85d088d89110c6cc47e70fcbdec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04929",
    "kind": "arxiv",
    "version": 2
  }
}