Pith Number

pith:KPRJVB5U

pith:2015:KPRJVB5USOS2SQFMFI5OYB7QYR

not attested not anchored not stored refs pending

Measuring Metrics - A forty year longitudinal cross-validation of citations, downloads, and peer review in Astrophysics

Edwin A. Henneken, Michael J. Kurtz

arxiv:1510.09099 v1 · 2015-10-30 · physics.soc-ph · astro-ph.IM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPRJVB5USOS2SQFMFI5OYB7QYR}

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	2026-05-18T00:43:30.868731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e29a87b493a5a940ac2a3aec07f0c4441163c3ced6f08984b0341911de1e37

Aliases

arxiv: 1510.09099 · arxiv_version: 1510.09099v1 · doi: 10.48550/arxiv.1510.09099 · pith_short_12: KPRJVB5USOS2 · pith_short_16: KPRJVB5USOS2SQFM · pith_short_8: KPRJVB5U

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/KPRJVB5USOS2SQFMFI5OYB7QYR \
  | 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: 53e29a87b493a5a940ac2a3aec07f0c4441163c3ced6f08984b0341911de1e37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ae8e914fc1ef25dff14534d56e21a88bc3390acdac37b945183799f34eab85d",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-10-30T14:20:58Z",
    "title_canon_sha256": "ca7d80e136898275d36ddeaf46a3256289aebfc0d6a1c5a28d1dbaf1a53513d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.09099",
    "kind": "arxiv",
    "version": 1
  }
}