Pith Number

pith:CWHZLAV5

pith:2017:CWHZLAV5ICRWOKYHRUFRTACL7X

not attested not anchored not stored refs pending

Interstellar extinction in twenty open star clusters

Alok Durgapal, D. Bisht, Geeta Rangwal, R. K. S. Yadav

arxiv:1711.09591 v1 · 2017-11-27 · 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{CWHZLAV5ICRWOKYHRUFRTACL7X}

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	2026-05-18T00:27:17.606294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

158f9582bd40a3672b078d0b19804bfdc7b0fa962d37cd86e68b808704e672bd

Aliases

arxiv: 1711.09591 · arxiv_version: 1711.09591v1 · doi: 10.48550/arxiv.1711.09591 · pith_short_12: CWHZLAV5ICRW · pith_short_16: CWHZLAV5ICRWOKYH · pith_short_8: CWHZLAV5

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/CWHZLAV5ICRWOKYHRUFRTACL7X \
  | 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: 158f9582bd40a3672b078d0b19804bfdc7b0fa962d37cd86e68b808704e672bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bbde708227a36e32af9a23a2135cf926a2f8aba135214080351940bb9410717",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-27T09:28:58Z",
    "title_canon_sha256": "47a698301804d715ee94b68726608669450eb7671eceba4519f1d6780be47d15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09591",
    "kind": "arxiv",
    "version": 1
  }
}