Pith Number

pith:TW6QXRNR

pith:2012:TW6QXRNRL6B3FVVPA6UYICUL23

not attested not anchored not stored refs pending

A study of the kinematics and binary-induced shaping of the planetary nebula HaTr 4

2, (2) Isaac Newton Group of Telescopes, 3), (3) European Southern Observatory, (4) Queen's University Belfast), A. A. Tyndall (1, D. Jones (3), D. Pollacco (4) ((1) Jodrell Bank Centre for Astrophysics, M. Lloyd (1), T. J. O'Brien (1)

arxiv:1202.3124 v2 · 2012-02-14 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TW6QXRNRL6B3FVVPA6UYICUL23}

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	2026-05-18T01:58:28.524272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dbd0bc5b15f83b2d6af07a9840a8bd6c6600dfb81585cfd2cb3fb12e5ac9dd7

Aliases

arxiv: 1202.3124 · arxiv_version: 1202.3124v2 · doi: 10.48550/arxiv.1202.3124 · pith_short_12: TW6QXRNRL6B3 · pith_short_16: TW6QXRNRL6B3FVVP · pith_short_8: TW6QXRNR

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/TW6QXRNRL6B3FVVPA6UYICUL23 \
  | 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: 9dbd0bc5b15f83b2d6af07a9840a8bd6c6600dfb81585cfd2cb3fb12e5ac9dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af25cc701452f36bcc43c8c40c14ee9a32c567fb3b0611d924cc2a25bb1a3809",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-14T19:58:38Z",
    "title_canon_sha256": "70824bc7cc0ecb6c50b4a929fa313ea5422c4a0d1aa1926ba8305615141ffb87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3124",
    "kind": "arxiv",
    "version": 2
  }
}