Pith Number

pith:B73DUP6F

pith:2009:B73DUP6FWZGBTHRALVMXQ5AHOF

not attested not anchored not stored refs pending

Soft X-ray Polarization in Thermal Magnetar Emission

Matthew van Adelsberg, Rosalba Perna

arxiv:0907.3499 v1 · 2009-07-20 · astro-ph.HE

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

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	2026-05-18T02:12:55.322383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff63a3fc5b64c199e205d59787407717bded595a6581b031072eaa75e9e6e18

Aliases

arxiv: 0907.3499 · arxiv_version: 0907.3499v1 · doi: 10.48550/arxiv.0907.3499 · pith_short_12: B73DUP6FWZGB · pith_short_16: B73DUP6FWZGBTHRA · pith_short_8: B73DUP6F

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/B73DUP6FWZGBTHRALVMXQ5AHOF \
  | 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: 0ff63a3fc5b64c199e205d59787407717bded595a6581b031072eaa75e9e6e18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf4ef686bb41324a4d5239380323907628b47da1b8fa8d12b2e9e24dcb54c8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-20T21:49:56Z",
    "title_canon_sha256": "4d19f795f75a59518a49fef5e1fe9f8ac19f5eac9a56e8b0f541bf7151b9e559"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3499",
    "kind": "arxiv",
    "version": 1
  }
}