Pith Number

pith:2DFGZ3Y2

pith:2011:2DFGZ3Y26LOLLCSME6C2QJC6FA

not attested not anchored not stored refs pending

Morphological evolution of galaxies from ultradeep HST WFC3 imaging: the Hubble sequence at z~2

Daniel Szomoru, Garth D. Illingworth, Ivo Labbe, Marijn Franx, Michele Trenti, Pieter G. van Dokkum, Rychard J. Bouwens

arxiv:1106.1641 v1 · 2011-06-08 · 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{2DFGZ3Y26LOLLCSME6C2QJC6FA}

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	2026-05-18T04:20:04.474074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ca6cef1af2dcb58a4c2785a8245e28173716c7d0aeef020daa2b08ce6b1b5f

Aliases

arxiv: 1106.1641 · arxiv_version: 1106.1641v1 · doi: 10.48550/arxiv.1106.1641 · pith_short_12: 2DFGZ3Y26LOL · pith_short_16: 2DFGZ3Y26LOLLCSM · pith_short_8: 2DFGZ3Y2

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/2DFGZ3Y26LOLLCSME6C2QJC6FA \
  | 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: d0ca6cef1af2dcb58a4c2785a8245e28173716c7d0aeef020daa2b08ce6b1b5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c855221e749492f494c8ddcef2dab9762852688638b159e2c815f0a5cc37d10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-08T20:00:01Z",
    "title_canon_sha256": "4e08c3f613d6b8939060b6b0727a11511c5f3c7e3b8b82439952168164f571be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1641",
    "kind": "arxiv",
    "version": 1
  }
}