Pith Number

pith:77DXTRUN

pith:2008:77DXTRUNFVVTEMFBSPYVI3EHGT

not attested not anchored not stored refs pending

Bulge and Clump Evolution in Hubble Ultra Deep Field Clump Clusters, Chains and Spiral Galaxies

(2) Vassar College Observatory), Bruce G. Elmegreen (1), Debra Meloy Elmegreen (2), Jenna Jo Lemonias (2) ((1) IBM T.J. Watson Research Center, Maria Ximena Fernandez (2)

arxiv:0810.5404 v1 · 2008-10-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77DXTRUNFVVTEMFBSPYVI3EHGT}

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	2026-05-18T04:29:25.582646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc779c68d2d6b3230a193f1546c8734cebead5c1db1149d00db7bccd66798ee

Aliases

arxiv: 0810.5404 · arxiv_version: 0810.5404v1 · doi: 10.48550/arxiv.0810.5404 · pith_short_12: 77DXTRUNFVVT · pith_short_16: 77DXTRUNFVVTEMFB · pith_short_8: 77DXTRUN

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/77DXTRUNFVVTEMFBSPYVI3EHGT \
  | 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: ffc779c68d2d6b3230a193f1546c8734cebead5c1db1149d00db7bccd66798ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9871645404dc2b91f88b7ee9af822b8a401dee92e98574595aea4c6b406c5ff4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-30T02:30:14Z",
    "title_canon_sha256": "5f4c82f182c7fd93494a80a34602f8190deb980346c4b2f9a57c7646b5294150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5404",
    "kind": "arxiv",
    "version": 1
  }
}