Pith Number

pith:OYCK4YTP

pith:2015:OYCK4YTPLDEWDQTOOULWCCSKZT

not attested not anchored not stored refs pending

The Region of Triggered Star Formation W40: Observations and Model

L. E. Pirogov

arxiv:1503.08010 v1 · 2015-03-27 · 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{OYCK4YTPLDEWDQTOOULWCCSKZT}

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	2026-05-18T01:59:36.893490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7604ae626f58c961c26e7517610a4accd978938e6613ae31b3ccf2d1f9bd8c23

Aliases

arxiv: 1503.08010 · arxiv_version: 1503.08010v1 · doi: 10.48550/arxiv.1503.08010 · pith_short_12: OYCK4YTPLDEW · pith_short_16: OYCK4YTPLDEWDQTO · pith_short_8: OYCK4YTP

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/OYCK4YTPLDEWDQTOOULWCCSKZT \
  | 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: 7604ae626f58c961c26e7517610a4accd978938e6613ae31b3ccf2d1f9bd8c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59467acb697b112f1d262f8e6e5bdd19e62004a1e5cdfb02ed6ee9cc391fa6b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-27T10:24:14Z",
    "title_canon_sha256": "fe823f822ea4fb4ebdcfeffacc4cda95681a8c19f04244fa01db6109f846776f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08010",
    "kind": "arxiv",
    "version": 1
  }
}