Pith Number

pith:6D7CHJYL

pith:2014:6D7CHJYL3SX2QS5ZB4MLXZRN7Y

not attested not anchored not stored refs pending

NGC 7538 : Multiwavelength Study of Stellar Cluster Regions associated with IRS 1-3 and IRS 9 sources

A. K. Pandey, D. K. Ojha, I. Zinchenko, K. K. Mallick, K. Sunada, L. Pirogov, M. Tamura, M. Tsujimoto, S. Dib, S. K. Ghosh

arxiv:1407.1987 v1 · 2014-07-08 · 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{6D7CHJYL3SX2QS5ZB4MLXZRN7Y}

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	2026-05-18T01:42:40.999554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0fe23a70bdcafa84bb90f18bbe62dfe221cdbc5bdc4616c5e71a03eaec484e1

Aliases

arxiv: 1407.1987 · arxiv_version: 1407.1987v1 · doi: 10.48550/arxiv.1407.1987 · pith_short_12: 6D7CHJYL3SX2 · pith_short_16: 6D7CHJYL3SX2QS5Z · pith_short_8: 6D7CHJYL

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/6D7CHJYL3SX2QS5ZB4MLXZRN7Y \
  | 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: f0fe23a70bdcafa84bb90f18bbe62dfe221cdbc5bdc4616c5e71a03eaec484e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e60e2b0d496503dda996edf96b82ceb76b827d6dd64abe76cdbc47e66f8fe031",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-08T08:19:02Z",
    "title_canon_sha256": "40aa1f8f120f34077876a7d6b667edea0bf0fb020bd4335f3e7d170eef7c2249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1987",
    "kind": "arxiv",
    "version": 1
  }
}