Pith Number

pith:SDVORBAS

pith:2018:SDVORBASXZYHXAKYQI74ZYGKEU

not attested not anchored not stored refs pending

A method to estimate stellar ages from kinematical data

Felipe Almeida-Fernandes, Helio Jaques Rocha-Pinto

arxiv:1801.04046 v1 · 2018-01-12 · 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{SDVORBASXZYHXAKYQI74ZYGKEU}

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	2026-05-18T00:24:46.966893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90eae88412be707b8158823fcce0ca25110ba01d7d98ab839b5d4ba702dc559d

Aliases

arxiv: 1801.04046 · arxiv_version: 1801.04046v1 · doi: 10.48550/arxiv.1801.04046 · pith_short_12: SDVORBASXZYH · pith_short_16: SDVORBASXZYHXAKY · pith_short_8: SDVORBAS

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/SDVORBASXZYHXAKYQI74ZYGKEU \
  | 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: 90eae88412be707b8158823fcce0ca25110ba01d7d98ab839b5d4ba702dc559d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac4a8c29f00cf047f19aa3ecd8465a41108adc97fa801919eb11dca765fe689e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-12T03:27:12Z",
    "title_canon_sha256": "eac5b7c13834f33b238b1d16a1ee97ac4ea60d85bf8d944c64e004b11332b94a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04046",
    "kind": "arxiv",
    "version": 1
  }
}