Pith Number

pith:K4TPFKW4

pith:2012:K4TPFKW4S6DCUD4WSIOKQWERJK

not attested not anchored not stored refs pending

Chemical evolution of the Galactic disk(s)

S. Feltzing, T. Bensby

arxiv:1201.2011 v1 · 2012-01-10 · 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{K4TPFKW4S6DCUD4WSIOKQWERJK}

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	2026-05-18T04:04:54.222252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5726f2aadc97862a0f96921ca858914aa2817fb0a5492a0d84e5a10713b6d4e7

Aliases

arxiv: 1201.2011 · arxiv_version: 1201.2011v1 · doi: 10.48550/arxiv.1201.2011 · pith_short_12: K4TPFKW4S6DC · pith_short_16: K4TPFKW4S6DCUD4W · pith_short_8: K4TPFKW4

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/K4TPFKW4S6DCUD4WSIOKQWERJK \
  | 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: 5726f2aadc97862a0f96921ca858914aa2817fb0a5492a0d84e5a10713b6d4e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7242eaf2c82a2457d67f5481471d2374584242f876e7dcfaf01bccf50e6d56e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-10T10:35:33Z",
    "title_canon_sha256": "22dad1ef21be74b1ee96973ac8a56f8b9dc3b87c378e7e79c7bc4783e9b38b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2011",
    "kind": "arxiv",
    "version": 1
  }
}