Pith Number

pith:TSPTV7D4

pith:2013:TSPTV7D4WCEYXTUTM3WKON5LXL

not attested not anchored not stored refs pending

Multi-scale Radio-IR Correlations in M31 and M33: The Role of Magnetic Fields and Star Formation

E. M. Berkhuijsen, E. Schinnerer, F. S. Tabatabaei, P. Frick, R. Beck

arxiv:1307.6253 v2 · 2013-07-23 · astro-ph.GA · 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{TSPTV7D4WCEYXTUTM3WKON5LXL}

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	2026-05-18T01:48:40.886183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c9f3afc7cb0898bce9366eca737abbac0534b6b99d9dd9ad5800be0e30ed89f

Aliases

arxiv: 1307.6253 · arxiv_version: 1307.6253v2 · doi: 10.48550/arxiv.1307.6253 · pith_short_12: TSPTV7D4WCEY · pith_short_16: TSPTV7D4WCEYXTUT · pith_short_8: TSPTV7D4

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/TSPTV7D4WCEYXTUTM3WKON5LXL \
  | 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: 9c9f3afc7cb0898bce9366eca737abbac0534b6b99d9dd9ad5800be0e30ed89f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b60f9e08fcc4f72f660f1520345a2b20a9f7a0825dcf0976ee0ef466ef6cf1e8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-23T21:51:40Z",
    "title_canon_sha256": "4c4bd51ba04e0ac431318a6fd1bd749813bdce1765c9c456096669b39cf2e2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6253",
    "kind": "arxiv",
    "version": 2
  }
}