Pith Number

pith:PTVTDFGG

pith:2015:PTVTDFGGBSUA5ORWSJT4QNBXAT

not attested not anchored not stored refs pending

Star formation and quenching among the most massive galaxies at z~1.7

Alvio Renzini, Anton Koekemoer, Chiara Mancini, Dale Kocevski, Emanuele Daddi, Giulia Rodighiero, Norman Grogin, Stefano Berta

arxiv:1503.06107 v1 · 2015-03-20 · 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{PTVTDFGGBSUA5ORWSJT4QNBXAT}

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	2026-05-18T01:40:50.155659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ceb3194c60ca80eba369267c8343704e05c5a3d4107e1f3b0f5ed5a2dbb0dad

Aliases

arxiv: 1503.06107 · arxiv_version: 1503.06107v1 · doi: 10.48550/arxiv.1503.06107 · pith_short_12: PTVTDFGGBSUA · pith_short_16: PTVTDFGGBSUA5ORW · pith_short_8: PTVTDFGG

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/PTVTDFGGBSUA5ORWSJT4QNBXAT \
  | 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: 7ceb3194c60ca80eba369267c8343704e05c5a3d4107e1f3b0f5ed5a2dbb0dad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "517a1def3ea1c3439bfeb78d04786b0ee7c10c384a5179d4ab8405dab9423120",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-20T15:27:38Z",
    "title_canon_sha256": "d661c0037ac49eca95015109a67fafc3ee5b72f56a49ec63b0c230c50be02fe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06107",
    "kind": "arxiv",
    "version": 1
  }
}