Pith Number

pith:TCNYCSNP

pith:2013:TCNYCSNP3CIEUFRDKPO7V5DMSQ

not attested not anchored not stored refs pending

X-ray observations of eight young open star clusters : I. Membership and X-ray Luminosity

Bhabha Atomic Research Center (2) Aryabhatta Research Institute of Observational Sciences (3) Tata Institute of Fundamental Research), Brijesh Kumar (2) ((1) Astrophysical Sciences Division, Himali Bhatt (1), J. C. Pandey (2), K. P. Singh (3), Ram Sagar (2)

arxiv:1311.3025 v1 · 2013-11-13 · astro-ph.SR · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCNYCSNP3CIEUFRDKPO7V5DMSQ}

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	2026-05-18T01:46:31.718562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

989b8149afd8904a162353ddfaf46c941982b274de3c00c04aee96627bfae2fb

Aliases

arxiv: 1311.3025 · arxiv_version: 1311.3025v1 · doi: 10.48550/arxiv.1311.3025 · pith_short_12: TCNYCSNP3CIE · pith_short_16: TCNYCSNP3CIEUFRD · pith_short_8: TCNYCSNP

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/TCNYCSNP3CIEUFRDKPO7V5DMSQ \
  | 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: 989b8149afd8904a162353ddfaf46c941982b274de3c00c04aee96627bfae2fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67b24054f49054fc36dd1db38e8369590b515369f91ac4e1da959510fdbf7641",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-13T06:32:38Z",
    "title_canon_sha256": "889717eb5fc2d490036858d3ccc339385decec17467015ce0fa5ae5e18cddeed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3025",
    "kind": "arxiv",
    "version": 1
  }
}