Pith Number

pith:NJEN737X

pith:2011:NJEN737XSPH23MWHFYDOJTPLUG

not attested not anchored not stored refs pending

GTC long-slit spectroscopy of compact stellar clusters in M81

D. Rosa-Gonzalez, M. Santiago-Cortes (INAOE), Y. D. Mayya

arxiv:1103.5101 v1 · 2011-03-26 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJEN737XSPH23MWHFYDOJTPLUG}

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	2026-05-18T04:25:38.637468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a48dfeff793cfadb2c72e06e4cdeba18f8f15920f3674d3e86a54494391a78a

Aliases

arxiv: 1103.5101 · arxiv_version: 1103.5101v1 · doi: 10.48550/arxiv.1103.5101 · pith_short_12: NJEN737XSPH2 · pith_short_16: NJEN737XSPH23MWH · pith_short_8: NJEN737X

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/NJEN737XSPH23MWHFYDOJTPLUG \
  | 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: 6a48dfeff793cfadb2c72e06e4cdeba18f8f15920f3674d3e86a54494391a78a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2972684538db2b1255ef978f87b3dbaa9983033a5142df3e1b2f6c45f58bb05a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-26T03:12:16Z",
    "title_canon_sha256": "ebdcfe1d03ca13328f0d98c76d732184b87898ae64e90bd62c009e1338544ce3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5101",
    "kind": "arxiv",
    "version": 1
  }
}