Pith Number

pith:4CRLEQRH

pith:2010:4CRLEQRHHHIHD7L25RGVN4YOVP

not attested not anchored not stored refs pending

New photometry and astrometry of the isolated neutron star RX J0720-3125 using recent VLT/FORS observations

Christian Ginski, Markus M. Hohle, Ralph Neuhaeuser, Thomas Eisenbeiss, Tobias O.B. Schmidt, Valeri V. Hambaryan

arxiv:1001.0545 v1 · 2010-01-04 · astro-ph.HE · 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{4CRLEQRHHHIHD7L25RGVN4YOVP}

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	2026-05-18T02:10:05.268457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0a2b2422739d071fd7aec4d56f30eabd2d80345a4a26a0867d476b841d13bd0

Aliases

arxiv: 1001.0545 · arxiv_version: 1001.0545v1 · doi: 10.48550/arxiv.1001.0545 · pith_short_12: 4CRLEQRHHHIH · pith_short_16: 4CRLEQRHHHIHD7L2 · pith_short_8: 4CRLEQRH

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/4CRLEQRHHHIHD7L25RGVN4YOVP \
  | 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: e0a2b2422739d071fd7aec4d56f30eabd2d80345a4a26a0867d476b841d13bd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "724b03df99411bd3b4416d87ba21ca10cb9454636f1bae33643086787e33d275",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-01-04T18:25:59Z",
    "title_canon_sha256": "15a6e597d076a706daee61b10ec26e6ef56494f9bca9eacb440e5d79a1c285cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0545",
    "kind": "arxiv",
    "version": 1
  }
}