Pith Number

pith:OEB4RYRJ

pith:2015:OEB4RYRJFVEI3QULWIDYWSQFKY

not attested not anchored not stored refs pending

A direct constraint on the gas content of a massive, passively evolving elliptical galaxy at z = 1.43

C. Feruglio, E. Daddi, E. Schinnerer, F. Bournaud, H. Dannerbauer, Mark T. Sargent, M. Martig, M. Onodera, R. Gobat

arxiv:1502.00003 v2 · 2015-01-30 · 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{OEB4RYRJFVEI3QULWIDYWSQFKY}

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	2026-05-18T01:46:21.957680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7103c8e2292d488dc28bb2078b4a055623a73236da92074c26c466ec95a4f1c4

Aliases

arxiv: 1502.00003 · arxiv_version: 1502.00003v2 · doi: 10.48550/arxiv.1502.00003 · pith_short_12: OEB4RYRJFVEI · pith_short_16: OEB4RYRJFVEI3QUL · pith_short_8: OEB4RYRJ

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/OEB4RYRJFVEI3QULWIDYWSQFKY \
  | 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: 7103c8e2292d488dc28bb2078b4a055623a73236da92074c26c466ec95a4f1c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c7276b6fde897495b7738938f1577c987c09d5535ee4e49accb73691d5fd80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-30T21:00:10Z",
    "title_canon_sha256": "4fa49518a547a4debc7a7b6cea42ecc395f117e41f379d7e7a45e803294e1725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00003",
    "kind": "arxiv",
    "version": 2
  }
}