Pith Number

pith:YZD2SPHR

pith:2019:YZD2SPHR2KMMEASPXZSQB4OFJI

not attested not anchored not stored refs pending

Discovery of an old nova remnant in the Galactic globular cluster M 22

Ana Monreal-Ibero, Benjamin Giesers, Fabian G\"ottgens, Jarle Brinchmann, Kasper B. Schmidt, Lutz Wisotzki, Martin M. Roth, Martin Wendt, Peter M. Weilbacher, Roland Bacon, Sebastian Kamann, Stefan Dreizler, Tim-Oliver Husser, Wolfram Kollatschny

arxiv:1904.11515 v1 · 2019-04-25 · 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{YZD2SPHR2KMMEASPXZSQB4OFJI}

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	2026-05-17T23:43:02.384621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c647a93cf1d298c2024fbe6500f1c54a09a2bad1e5d063a59669588afdbb0e3e

Aliases

arxiv: 1904.11515 · arxiv_version: 1904.11515v1 · doi: 10.48550/arxiv.1904.11515 · pith_short_12: YZD2SPHR2KMM · pith_short_16: YZD2SPHR2KMMEASP · pith_short_8: YZD2SPHR

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/YZD2SPHR2KMMEASPXZSQB4OFJI \
  | 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: c647a93cf1d298c2024fbe6500f1c54a09a2bad1e5d063a59669588afdbb0e3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfc6fe76af50710a5ad3617e35910519fc793bf5abd1235e340b67693342510a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-25T18:03:27Z",
    "title_canon_sha256": "4dc483100e0299f1082b28772b1b66fa022612b1644f2247e4c928ba3a3c6b1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11515",
    "kind": "arxiv",
    "version": 1
  }
}