Pith Number

pith:27ZX54Y2

pith:2007:27ZX54Y2TRYOHEMNIG3VV3WPIP

not attested not anchored not stored refs pending

A census of metals and baryons in stars in the local Universe

2), (2)MPA, (3)CAUP, (4) IAP, Anna Gallazzi (1, Garching, Heidelberg, Jarle Brinchmann (3), Paris), Porto, Simon D.M. White (2) ((1)MPIA, Stephane Charlot (4

arxiv:0708.0533 v2 · 2007-08-03 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27ZX54Y2TRYOHEMNIG3VV3WPIP}

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	2026-05-18T04:09:15.141006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7f37ef31a9c70e3918d41b75aeecf43ce0ec199a08c48c52537f27aff1df448

Aliases

arxiv: 0708.0533 · arxiv_version: 0708.0533v2 · doi: 10.48550/arxiv.0708.0533 · pith_short_12: 27ZX54Y2TRYO · pith_short_16: 27ZX54Y2TRYOHEMN · pith_short_8: 27ZX54Y2

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/27ZX54Y2TRYOHEMNIG3VV3WPIP \
  | 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: d7f37ef31a9c70e3918d41b75aeecf43ce0ec199a08c48c52537f27aff1df448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95396c02414e6b968bd5662abd61beb3bdba815068ee2d9fbd4a338949f733be",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-03T15:24:14Z",
    "title_canon_sha256": "e0e6a85e86837421273820a2bd7fadac944564572f9b4d3b2c4355995a5e9b36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0533",
    "kind": "arxiv",
    "version": 2
  }
}