Pith Number

pith:BURXFJ6G

pith:2019:BURXFJ6G7J3BN37RTDYXM55DR7

not attested not anchored not stored refs pending

The star formation history in the solar neighborhood as told by massive white dwarfs

Jordi Isern

arxiv:1905.10779 v1 · 2019-05-26 · astro-ph.GA · 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{BURXFJ6G7J3BN37RTDYXM55DR7}

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	2026-05-17T23:43:34.164082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d2372a7c6fa7616eff198f17677a38fc4c6e707c6f33fd8fcfa45d8cedc2ec4

Aliases

arxiv: 1905.10779 · arxiv_version: 1905.10779v1 · doi: 10.48550/arxiv.1905.10779 · pith_short_12: BURXFJ6G7J3B · pith_short_16: BURXFJ6G7J3BN37R · pith_short_8: BURXFJ6G

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/BURXFJ6G7J3BN37RTDYXM55DR7 \
  | 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: 0d2372a7c6fa7616eff198f17677a38fc4c6e707c6f33fd8fcfa45d8cedc2ec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a826eac1c76e6e37cd3062aad198399f40ab201cede3065a8e0822a9c39cc8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-26T10:24:35Z",
    "title_canon_sha256": "61c3ef44eab2f040ef4283f1015c509727036b5c82192feedf90fe5fe2015e2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10779",
    "kind": "arxiv",
    "version": 1
  }
}