Pith Number

pith:Q2X54NUA

pith:2011:Q2X54NUAARRTYETSGN2IMEPBBM

not attested not anchored not stored refs pending

SPIDER - V. Measuring Systematic Effects in Early-Type Galaxy Stellar Masses from Photometric SED Fitting

F. La Barbera, R.R. de Carvalho, R.R. Gal, R. Swindle

arxiv:1107.5371 v1 · 2011-07-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2X54NUAARRTYETSGN2IMEPBBM}

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	2026-05-18T02:01:09.270129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86afde368004633c127233748611e10b2446943fc74b3b2e5823bacf278160e1

Aliases

arxiv: 1107.5371 · arxiv_version: 1107.5371v1 · doi: 10.48550/arxiv.1107.5371 · pith_short_12: Q2X54NUAARRT · pith_short_16: Q2X54NUAARRTYETS · pith_short_8: Q2X54NUA

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/Q2X54NUAARRTYETSGN2IMEPBBM \
  | 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: 86afde368004633c127233748611e10b2446943fc74b3b2e5823bacf278160e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "973b2aebcb8656f9cb5a6efb98c62adb89096ab101982a334d8b95394b426ef3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-27T02:57:01Z",
    "title_canon_sha256": "cb7340dd391cdc3b9dfc1e4796d064bf0f1c214f8dd858e7310e85666836fc4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5371",
    "kind": "arxiv",
    "version": 1
  }
}