Pith Number

pith:53RSPUCM

pith:2021:53RSPUCM3I42A2W3ABZXYNXNZ5

not attested not anchored not stored refs pending

Turning Points in the Age-Metallicity Relations -- Created by Late Satellite Infall and Enhanced by Radial Migration

Christopher Carr, Melissa K. Ness, Tobias Buck, Yuxi Lu

arxiv:2112.05238 v1 · 2021-12-09 · 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{53RSPUCM3I42A2W3ABZXYNXNZ5}

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	2026-07-05T04:09:42.096264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eee327d04cda39a06adb00737c36edcf7d074adf74ff5538d91f74ad9ea083ef

Aliases

arxiv: 2112.05238 · arxiv_version: 2112.05238v1 · doi: 10.48550/arxiv.2112.05238 · pith_short_12: 53RSPUCM3I42 · pith_short_16: 53RSPUCM3I42A2W3 · pith_short_8: 53RSPUCM

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/53RSPUCM3I42A2W3ABZXYNXNZ5 \
  | 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: eee327d04cda39a06adb00737c36edcf7d074adf74ff5538d91f74ad9ea083ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a342997876e1b3851e58c637a9d83624d53b0fcfa1a1dcc7611756c7a1c36f9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-09T22:44:06Z",
    "title_canon_sha256": "df43512a6e9cd50a420bab76601f422e90a5c3ef2d6cad77001a2251ca269dca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.05238",
    "kind": "arxiv",
    "version": 1
  }
}