Pith Number

pith:NV2G2B5R

pith:2011:NV2G2B5RQC5A2KCUUQLID3Y4YX

not attested not anchored not stored refs pending

Sizes and surface brightness profiles of quiescent galaxies at z ~ 2

Daniel Szomoru, Marijn Franx, Pieter G. van Dokkum

arxiv:1111.3361 v4 · 2011-11-14 · 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{NV2G2B5RQC5A2KCUUQLID3Y4YX}

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	2026-05-18T01:59:33.518995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d746d07b180ba0d2854a41681ef1cc5f5b6f0f1e9ace982948fb1a9f0daa6a3

Aliases

arxiv: 1111.3361 · arxiv_version: 1111.3361v4 · doi: 10.48550/arxiv.1111.3361 · pith_short_12: NV2G2B5RQC5A · pith_short_16: NV2G2B5RQC5A2KCU · pith_short_8: NV2G2B5R

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/NV2G2B5RQC5A2KCUUQLID3Y4YX \
  | 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: 6d746d07b180ba0d2854a41681ef1cc5f5b6f0f1e9ace982948fb1a9f0daa6a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eab99b75eb1bf9533e59765bd9c705c9534b6041cf2a14d045f0d7cd923ec64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-14T21:00:00Z",
    "title_canon_sha256": "c327dd0393190f0b18681087762674c8f7d7abf4197efdd605e5aeb65bbb58a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3361",
    "kind": "arxiv",
    "version": 4
  }
}