Pith Number

pith:HUR36O35

pith:2015:HUR36O35S47YK7SGI42VK7ESJU

not attested not anchored not stored refs pending

The Initial Mass Function of Early-type Galaxies: no correlation with [Mg/Fe]

(2) MSSL/UCL, (3) IAC), A. Vazdekis (3) ((1) INAF/OAC, F. La Barbera (1), I. Ferreras (2)

arxiv:1502.03449 v1 · 2015-02-11 · 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{HUR36O35S47YK7SGI42VK7ESJU}

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	2026-05-18T01:41:03.727161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d23bf3b7d973f857e464735557c924d29b9e8dd3f6140e417d31e5349e97b8d

Aliases

arxiv: 1502.03449 · arxiv_version: 1502.03449v1 · doi: 10.48550/arxiv.1502.03449 · pith_short_12: HUR36O35S47Y · pith_short_16: HUR36O35S47YK7SG · pith_short_8: HUR36O35

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/HUR36O35S47YK7SGI42VK7ESJU \
  | 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: 3d23bf3b7d973f857e464735557c924d29b9e8dd3f6140e417d31e5349e97b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ee7b41735ffd05c44e4ff365f4b08aae0a79dc1fa455f04c801c54e41802f1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-11T21:01:02Z",
    "title_canon_sha256": "73f58b0c1167068547c38acba5ae42f00b62fff3b3cd1e7346626de53bdcf25c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03449",
    "kind": "arxiv",
    "version": 1
  }
}