pith. sign in
Pith Number

pith:ALKK74BF

pith:2018:ALKK74BF5YFLNKNMQURDOB6OVE
not attested not anchored not stored refs pending

The Variable Pulsar Wind Nebula of PSR J1809-1917

Bettina Posselt, George G. Pavlov, Noel Klingler, Oleg Kargaltsev

arxiv:1809.04664 v1 · 2018-09-12 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ALKK74BF5YFLNKNMQURDOB6OVE}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-17T23:59:05.231436Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

02d4aff025ee0ab6a9ac85223707cea9367f0d4be93aab227bc6270b8c62686e

Aliases

arxiv: 1809.04664 · arxiv_version: 1809.04664v1 · doi: 10.48550/arxiv.1809.04664 · pith_short_12: ALKK74BF5YFL · pith_short_16: ALKK74BF5YFLNKNM · pith_short_8: ALKK74BF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ALKK74BF5YFLNKNMQURDOB6OVE \
  | 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: 02d4aff025ee0ab6a9ac85223707cea9367f0d4be93aab227bc6270b8c62686e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "da19e224623e12536da606fac84157f803d7d9028293eedb35e5a2c30524c464",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-12T20:31:31Z",
    "title_canon_sha256": "d6880ed043dc570e8fa8b4fb689c2572deb47bb0caccefc8c572b0b9b922f67b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04664",
    "kind": "arxiv",
    "version": 1
  }
}