Pith Number

pith:5D6IO3IZ

pith:2019:5D6IO3IZUEJJ5PKTP2BT5MCMMI

not attested not anchored not stored refs pending

Two's company, three's a crowd: SALT reveals the likely triple nature of the nucleus of the extreme abundance discrepancy factor planetary nebula Sp 3

B. Miszalski, H. Van Winckel, J. Miko{\l}ajewska, K. I{\l}kiewicz, R. Manick, T. Rauch

arxiv:1908.08724 v1 · 2019-08-23 · astro-ph.SR · 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{5D6IO3IZUEJJ5PKTP2BT5MCMMI}

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	2026-07-05T00:31:16.350075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8fc876d19a1129ebd537e833eb04c623888a28e25f5e99d010ffcbd60c87133

Aliases

arxiv: 1908.08724 · arxiv_version: 1908.08724v1 · doi: 10.48550/arxiv.1908.08724 · pith_short_12: 5D6IO3IZUEJJ · pith_short_16: 5D6IO3IZUEJJ5PKT · pith_short_8: 5D6IO3IZ

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/5D6IO3IZUEJJ5PKTP2BT5MCMMI \
  | 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: e8fc876d19a1129ebd537e833eb04c623888a28e25f5e99d010ffcbd60c87133

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c03809ecc0810b70796041e4df5f58552da053ca8ce9819463c9ed43cb2e35c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-23T09:09:41Z",
    "title_canon_sha256": "a740dea2e6927ed2696856da4725a1733934241994af5798dfc774403da356a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08724",
    "kind": "arxiv",
    "version": 1
  }
}