Pith Number

pith:RQNR5YCS

pith:2011:RQNR5YCSJZL2BXSRAKI75MHUQF

not attested not anchored not stored refs pending

Orbits of nearby planetary nebulae and their interaction with the interstellar medium

Cui-Hua Du, Jun Ma, Xu Zhou, Zhen-Yu Wu

arxiv:1102.1309 v2 · 2011-02-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQNR5YCSJZL2BXSRAKI75MHUQF}

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	2026-05-18T02:03:15.960474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c1b1ee0524e57a0de510291feb0f4815847a696fa88d4715f7ce0a25b660015

Aliases

arxiv: 1102.1309 · arxiv_version: 1102.1309v2 · doi: 10.48550/arxiv.1102.1309 · pith_short_12: RQNR5YCSJZL2 · pith_short_16: RQNR5YCSJZL2BXSR · pith_short_8: RQNR5YCS

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/RQNR5YCSJZL2BXSRAKI75MHUQF \
  | 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: 8c1b1ee0524e57a0de510291feb0f4815847a696fa88d4715f7ce0a25b660015

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf0a8fa211d63b25f3f0321a8d012833665b7e7a103159f1021840a3ba6f30a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-02-07T14:06:27Z",
    "title_canon_sha256": "edeea80b7a9999bae37b8065bac0dc94bd0fa74f3e4bfa0d75ecaebc99ea2843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1309",
    "kind": "arxiv",
    "version": 2
  }
}