Pith Number

pith:6XUWCHX6

pith:1996:6XUWCHX6O7MUXVAFV3DFH5Q3WQ

not attested not anchored not stored refs pending

The nature of the faint galaxies in the Hubble Deep Field

A. Georgakakis, B. Mobasher, Medcine), M. Rowan-Robinson, N. Eaton (Imperial College of Science, Technology

arxiv:astro-ph/9604118 v2 · 1996-04-19 · 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{6XUWCHX6O7MUXVAFV3DFH5Q3WQ}

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	2026-05-18T01:12:44.025504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e9611efe77d94bd405aec653f61bb415182dfbc127ce51af1c417bf9061ffd

Aliases

arxiv: astro-ph/9604118 · arxiv_version: astro-ph/9604118v2 · doi: 10.48550/arxiv.astro-ph/9604118 · pith_short_12: 6XUWCHX6O7MU · pith_short_16: 6XUWCHX6O7MUXVAF · pith_short_8: 6XUWCHX6

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/6XUWCHX6O7MUXVAFV3DFH5Q3WQ \
  | 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: f5e9611efe77d94bd405aec653f61bb415182dfbc127ce51af1c417bf9061ffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b76cdd0c98bbc212df446bc63875ea26cbce1d3568052c97ef01a695c443a814",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-04-19T17:01:34Z",
    "title_canon_sha256": "213b981a27571ce98b04cc7d7e7e9ec0f17b26fa9be74f3575a630e061a85591"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9604118",
    "kind": "arxiv",
    "version": 2
  }
}