Pith Number

pith:X663J67O

pith:2018:X663J67ONZZA2PWYGRHUBDBGPW

not attested not anchored not stored refs pending

Estimating magnetar radii with an empirical meta-model

Debarati Chatterjee, Debora P. Menezes, Francesca Gulminelli

arxiv:1812.05879 v1 · 2018-12-14 · nucl-th · 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{X663J67ONZZA2PWYGRHUBDBGPW}

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	2026-05-17T23:49:40.023707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfbdb4fbee6e720d3ed8344f408c267d980a6c3759cc4aa3aab25ed43d01fdbf

Aliases

arxiv: 1812.05879 · arxiv_version: 1812.05879v1 · doi: 10.48550/arxiv.1812.05879 · pith_short_12: X663J67ONZZA · pith_short_16: X663J67ONZZA2PWY · pith_short_8: X663J67O

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/X663J67ONZZA2PWYGRHUBDBGPW \
  | 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: bfbdb4fbee6e720d3ed8344f408c267d980a6c3759cc4aa3aab25ed43d01fdbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2aeb6b44c24fac58894cec0c8795d2c0a2033bf71aff1641db93b3c6bc6851b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2018-12-14T12:25:22Z",
    "title_canon_sha256": "a2f00223753b6ac688235c838fe09d34fe76c6aa905a3994a142e82ada185718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05879",
    "kind": "arxiv",
    "version": 1
  }
}