Pith Number

pith:BU7GXFTP

pith:2009:BU7GXFTP2SBK6KQNXH46MCIQQA

not attested not anchored not stored refs pending

Ultraviolet number counts of galaxies from Swift UV/Optical Telescope deep imaging of the Chandra Deep Field South

A. A. Breeveld, C. Gronwall, D. A. Hinshaw, D. E. Vanden Berk, E. A. Hoversten, F. E. Marshall, M. H. Siegel, M. Still, P. A. Curran, P. W. A. Roming, T. S. Koch

arxiv:0910.0033 v1 · 2009-09-30 · 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{BU7GXFTP2SBK6KQNXH46MCIQQA}

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	2026-05-18T04:24:43.958062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d3e6b966fd482af2a0db9f9e609108032dbdd00758855f5d82102df1317bb11

Aliases

arxiv: 0910.0033 · arxiv_version: 0910.0033v1 · doi: 10.48550/arxiv.0910.0033 · pith_short_12: BU7GXFTP2SBK · pith_short_16: BU7GXFTP2SBK6KQN · pith_short_8: BU7GXFTP

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/BU7GXFTP2SBK6KQNXH46MCIQQA \
  | 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: 0d3e6b966fd482af2a0db9f9e609108032dbdd00758855f5d82102df1317bb11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "799290a6d627cf3008fb287c5732f3f5b9e35f89dda7cb82d1e17c553e4e78bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-30T21:06:14Z",
    "title_canon_sha256": "e10b6b3df1a2b343f36b34002e7172c45aeab9d9e79271fba65dea0388422ce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0033",
    "kind": "arxiv",
    "version": 1
  }
}