Pith Number

pith:YNCH67II

pith:2009:YNCH67IIDCCN7ABGUWVDTSCF37

not attested not anchored not stored refs pending

Shaping point- and mirror-symmetric proto-planetary nebulae by the orbital motion of the central binary system

Alejandro C. Raga, Angels Riera, Pablo F. Velazquez, Primoz Kajdic, Sinhue A. R. Haro-Corzo

arxiv:0908.1804 v1 · 2009-08-12 · 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{YNCH67IIDCCN7ABGUWVDTSCF37}

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	2026-05-18T02:12:34.781776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3447f7d081884df8026a5aa39c845dfffe90ee92bfbf8f9b98f3b2fe694b79e

Aliases

arxiv: 0908.1804 · arxiv_version: 0908.1804v1 · doi: 10.48550/arxiv.0908.1804 · pith_short_12: YNCH67IIDCCN · pith_short_16: YNCH67IIDCCN7ABG · pith_short_8: YNCH67II

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/YNCH67IIDCCN7ABGUWVDTSCF37 \
  | 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: c3447f7d081884df8026a5aa39c845dfffe90ee92bfbf8f9b98f3b2fe694b79e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a0fdc5cdaeef66a01bc15fb4d7384ff439f8be1c1b4451a8c5f656e0653d766",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-08-12T22:39:53Z",
    "title_canon_sha256": "2ea9e76d2e53bddc34d4a4e58c0ebd11748d35a98744921a36cb6222e0965760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1804",
    "kind": "arxiv",
    "version": 1
  }
}