Pith Number

pith:UNMV4H2W

pith:2014:UNMV4H2W43EY57JBWTM4OGEN2T

not attested not anchored not stored refs pending

SPIDER X - Environmental effects in central and satellite early-type galaxies through the stellar fossil record

A. Gallazzi, A. Pasquali, F. La Barbera, I. Ferreras, I.G. de la Rosa, R.R. de Carvalho

arxiv:1408.6816 v1 · 2014-08-28 · 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{UNMV4H2W43EY57JBWTM4OGEN2T}

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	2026-05-18T01:42:12.132897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3595e1f56e6c98efd21b4d9c7188dd4dd178691b89d1e052f56ebcc0936e0ab

Aliases

arxiv: 1408.6816 · arxiv_version: 1408.6816v1 · doi: 10.48550/arxiv.1408.6816 · pith_short_12: UNMV4H2W43EY · pith_short_16: UNMV4H2W43EY57JB · pith_short_8: UNMV4H2W

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/UNMV4H2W43EY57JBWTM4OGEN2T \
  | 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: a3595e1f56e6c98efd21b4d9c7188dd4dd178691b89d1e052f56ebcc0936e0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b3853377f424b4d3f9fb768b0c893928064a2113a3d191a32b415fee4cdb129",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-28T19:25:34Z",
    "title_canon_sha256": "ae18ff74276e6b03da17c49f1099a0381978493fed259faa3d44e20a574679ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6816",
    "kind": "arxiv",
    "version": 1
  }
}