Pith Number

pith:KCIZYJA4

pith:2009:KCIZYJA43QAROD5GDTVCH5YKFX

not attested not anchored not stored refs pending

On the Crustal Matter of Magnetars

Nandini Nag, Somenath Chakrabarty

arxiv:0909.1173 v1 · 2009-09-07 · astro-ph.SR · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KCIZYJA43QAROD5GDTVCH5YKFX}

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	2026-05-18T02:34:30.927844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50919c241cdc01170fa61cea23f70a2dcf95171a9be9be7d8d2602d7ab548a73

Aliases

arxiv: 0909.1173 · arxiv_version: 0909.1173v1 · doi: 10.48550/arxiv.0909.1173 · pith_short_12: KCIZYJA43QAR · pith_short_16: KCIZYJA43QAROD5G · pith_short_8: KCIZYJA4

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/KCIZYJA43QAROD5GDTVCH5YKFX \
  | 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: 50919c241cdc01170fa61cea23f70a2dcf95171a9be9be7d8d2602d7ab548a73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37b7ce65c3a713d981ac9ce130a7abe9bf1cbdf7132d58f0b3f9effd99b57146",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-07T08:58:59Z",
    "title_canon_sha256": "592139481e5e4f1f8d993a61c5d9688de1b32e8f774c6427d5f9aa1cc46a8121"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1173",
    "kind": "arxiv",
    "version": 1
  }
}