Pith Number

pith:RRFV3NUS

pith:2013:RRFV3NUS3QKELRUJFF3TRHBA3I

not attested not anchored not stored refs pending

Hubble Space Telescope Imaging of the Binary Nucleus of the Planetary Nebula EGB 6

A. Gianninas, Alvio Renzini, Howard E. Bond, James Liebert, Michael G. Meakes, P. Dufour, Robin Ciardullo

arxiv:1305.0583 v1 · 2013-05-02 · 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{RRFV3NUS3QKELRUJFF3TRHBA3I}

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	2026-05-18T01:50:12.978886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c4b5db692dc1445c6892977389c20da3b23a5a3f9f3846baa08e2b3a301b396

Aliases

arxiv: 1305.0583 · arxiv_version: 1305.0583v1 · doi: 10.48550/arxiv.1305.0583 · pith_short_12: RRFV3NUS3QKE · pith_short_16: RRFV3NUS3QKELRUJ · pith_short_8: RRFV3NUS

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/RRFV3NUS3QKELRUJFF3TRHBA3I \
  | 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: 8c4b5db692dc1445c6892977389c20da3b23a5a3f9f3846baa08e2b3a301b396

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3450ed4749e504ee86cc900bc8f4c166b65b93e678a89ad2fa67c01055669ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-02T21:38:03Z",
    "title_canon_sha256": "af28ab525d57d0f26d7ed83c2c4fbfac95e76ddd2a50f7b4961467e36c8459b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0583",
    "kind": "arxiv",
    "version": 1
  }
}