Pith Number

pith:VII5UGTN

pith:2005:VII5UGTNI6KNDRDTM6T2TFFFK5

not attested not anchored not stored refs pending

Significant evolution of the stellar mass-metallicity relation since z~0.65

2), China; (2) GEPI, F. Hammer (2), France), H. Flores (2) ((1) NAOC, Observatoire de Paris-Meudon, Y. C. Liang (1

arxiv:astro-ph/0509866 v1 · 2005-09-29 · 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{VII5UGTNI6KNDRDTM6T2TFFFK5}

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	2026-05-18T01:07:26.535883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa11da1a6d4794d1c47367a7a994a557736b30d6310ac006dabd29b1f01ade83

Aliases

arxiv: astro-ph/0509866 · arxiv_version: astro-ph/0509866v1 · doi: 10.48550/arxiv.astro-ph/0509866 · pith_short_12: VII5UGTNI6KN · pith_short_16: VII5UGTNI6KNDRDT · pith_short_8: VII5UGTN

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/VII5UGTNI6KNDRDTM6T2TFFFK5 \
  | 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: aa11da1a6d4794d1c47367a7a994a557736b30d6310ac006dabd29b1f01ade83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c456c1756234a955e3c79dbcfb0e8993b68ec88f91d5e6f356164bf83468ce66",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-29T03:06:35Z",
    "title_canon_sha256": "b446b95163f88d9cc9a4a5802cf34eda44158b8d7a7482e0753bdf811b3b0197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509866",
    "kind": "arxiv",
    "version": 1
  }
}