Pith Number

pith:EQDFXTNL

pith:2011:EQDFXTNLCK6PN7VB4WNHS4IXTH

not attested not anchored not stored refs pending

NIR view on young stellar clusters in nearby spirals

H. Dottori, P. Grosbol

arxiv:1109.4255 v1 · 2011-09-20 · 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{EQDFXTNLCK6PN7VB4WNHS4IXTH}

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	2026-05-18T04:12:43.756018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24065bcdab12bcf6fea1e59a79711799f178e9e1d74fca07d1f343d70cdd4927

Aliases

arxiv: 1109.4255 · arxiv_version: 1109.4255v1 · doi: 10.48550/arxiv.1109.4255 · pith_short_12: EQDFXTNLCK6P · pith_short_16: EQDFXTNLCK6PN7VB · pith_short_8: EQDFXTNL

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/EQDFXTNLCK6PN7VB4WNHS4IXTH \
  | 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: 24065bcdab12bcf6fea1e59a79711799f178e9e1d74fca07d1f343d70cdd4927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dedf4b9cf1b3ecf7ba8927e91b9d64fede05b5f13ebc59ddd9a25417b5954f95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-20T09:40:28Z",
    "title_canon_sha256": "d21eeccfa9f31ed5c2f33beb0357e3f012db82d2c4177b586e53633a8505cfa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4255",
    "kind": "arxiv",
    "version": 1
  }
}