Pith Number

pith:MXIOMZBL

pith:2021:MXIOMZBLA3IO5SELEYUV6LHMZT

not attested not anchored not stored refs pending

Deriving ages and horizontal branch properties of integrated stellar populations

Charlie Conroy, Ivan Cabrera-Ziri

arxiv:2112.07562 v2 · 2021-12-14 · 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{MXIOMZBLA3IO5SELEYUV6LHMZT}

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	2026-07-05T03:49:27.855941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65d0e6642b06d0eec88b26295f2cecccf97ab07e6620a8b8838d93fa2170a532

Aliases

arxiv: 2112.07562 · arxiv_version: 2112.07562v2 · doi: 10.48550/arxiv.2112.07562 · pith_short_12: MXIOMZBLA3IO · pith_short_16: MXIOMZBLA3IO5SEL · pith_short_8: MXIOMZBL

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/MXIOMZBLA3IO5SELEYUV6LHMZT \
  | 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: 65d0e6642b06d0eec88b26295f2cecccf97ab07e6620a8b8838d93fa2170a532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "908d0635f24bc838a24d9e6ebd08df07dbc83250e7e6ad3b3a426666cd70df5a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-14T17:09:27Z",
    "title_canon_sha256": "8da93f74a28f9582e439f493dc767275766683218e6b7d7807c63e73f6a0ad54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.07562",
    "kind": "arxiv",
    "version": 2
  }
}