Pith Number

pith:Y6YXTU54

pith:2015:Y6YXTU54XEGJ2S7H5GSQ236MBK

not attested not anchored not stored refs pending

Sh2-138: Physical environment around a small cluster of massive stars

B.C. Bhatt, D.K. Ojha, J.P. Ninan, K.K. Mallick, L.K. Dewangan, S.K. Ghosh, T. Baug

arxiv:1509.08716 v1 · 2015-09-29 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6YXTU54XEGJ2S7H5GSQ236MBK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:27:56.906903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7b179d3bcb90c9d4be7e9a50d6fcc0ab0ba0f982b93c89adc24c01f3863f62f

Aliases

arxiv: 1509.08716 · arxiv_version: 1509.08716v1 · doi: 10.48550/arxiv.1509.08716 · pith_short_12: Y6YXTU54XEGJ · pith_short_16: Y6YXTU54XEGJ2S7H · pith_short_8: Y6YXTU54

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/Y6YXTU54XEGJ2S7H5GSQ236MBK \
  | 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: c7b179d3bcb90c9d4be7e9a50d6fcc0ab0ba0f982b93c89adc24c01f3863f62f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e44ab77110500cbbf8e4d3b42105bcffa482a45f9ab587310b0d84ccfba9252",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-29T12:29:47Z",
    "title_canon_sha256": "bc5a70f1275fb31380922006f941c244ad3e45c960671a5613ae2e91ec725c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08716",
    "kind": "arxiv",
    "version": 1
  }
}