Pith Number

pith:RAKX4HUD

pith:2021:RAKX4HUDK5QCOLXUWWXRX3CA6X

not attested not anchored not stored refs pending

SIRIUS Project. IV. The formation history of the Orion Nebula Cluster driven by clump mergers

Jun Kumamoto, Long Wang, Michiko S. Fujii, Takayuki Saitoh, Yoshito Shimajiri, Yutaka Hirai

arxiv:2111.15154 v2 · 2021-11-30 · 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{RAKX4HUDK5QCOLXUWWXRX3CA6X}

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	2026-07-05T04:29:52.298943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88157e1e835760272ef4b5af1bec40f5edc5121fe069210a40bad6d78dba6aaa

Aliases

arxiv: 2111.15154 · arxiv_version: 2111.15154v2 · doi: 10.48550/arxiv.2111.15154 · pith_short_12: RAKX4HUDK5QC · pith_short_16: RAKX4HUDK5QCOLXU · pith_short_8: RAKX4HUD

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/RAKX4HUDK5QCOLXUWWXRX3CA6X \
  | 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: 88157e1e835760272ef4b5af1bec40f5edc5121fe069210a40bad6d78dba6aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cdc4f96428b2b75ceb7ceaabce3abba021b63ee1198f609a4a1ade213929d8f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-30T06:26:21Z",
    "title_canon_sha256": "b62f2b1e8007f91d9596f9831ba211d69e72706814343b51273621cbdfe5975d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15154",
    "kind": "arxiv",
    "version": 2
  }
}