pith. sign in
Pith Number

pith:JQ4M2RB2

pith:2011:JQ4M2RB2RUROGPOD7YA3CSG4PF
not attested not anchored not stored refs pending

The kinematics and binary-induced shaping of PN HaTr 4

(2) European Southern Observatory), Amy Tyndall (1), David Jones (2), Myfanwy Lloyd (1) ((1) Jodrell Bank Centre for Astrophysics

arxiv:1109.3098 v2 · 2011-09-14 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JQ4M2RB2RUROGPOD7YA3CSG4PF}

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 2026-05-18T04:12:57.285662Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4c38cd443a8d22e33dc3fe01b148dc7963c382ba93f6a526c182c6816ddf9c8c

Aliases

arxiv: 1109.3098 · arxiv_version: 1109.3098v2 · doi: 10.48550/arxiv.1109.3098 · pith_short_12: JQ4M2RB2RURO · pith_short_16: JQ4M2RB2RUROGPOD · pith_short_8: JQ4M2RB2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JQ4M2RB2RUROGPOD7YA3CSG4PF \
  | 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: 4c38cd443a8d22e33dc3fe01b148dc7963c382ba93f6a526c182c6816ddf9c8c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fc21dd2cadb1ce1a5bd41533428ad17f78a27cd81ef4b303ec7942251e8bf102",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-14T14:44:54Z",
    "title_canon_sha256": "1383eff15a159a65d38b4244b62661d342307af2eb55fefb864e945533c68f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3098",
    "kind": "arxiv",
    "version": 2
  }
}