Pith Number

pith:JBBEQFRQ

pith:1995:JBBEQFRQVG7M7C6NRBNOWQ2LXY

not attested not anchored not stored refs pending

The morphological mix of field galaxies to I=24.25 magnitudes (b=26 magnitudes) from a deep Hubble Space Telescope WFPC2 image

Eric J. Ostrander (ASU), Kavan U. Ratnatunga (JHU), Richard E. Griffiths (JHU), Rogier A. Windhorst (ASU), Simon P. Driver (ASU), William C. Keel (UoAl)

arxiv:astro-ph/9511132 v1 · 1995-11-28 · 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{JBBEQFRQVG7M7C6NRBNOWQ2LXY}

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	2026-05-18T01:07:41.249691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4842481630a9becf8bcd885aeb434bbe0a94becf0b0931005c523324e81db540

Aliases

arxiv: astro-ph/9511132 · arxiv_version: astro-ph/9511132v1 · doi: 10.48550/arxiv.astro-ph/9511132 · pith_short_12: JBBEQFRQVG7M · pith_short_16: JBBEQFRQVG7M7C6N · pith_short_8: JBBEQFRQ

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/JBBEQFRQVG7M7C6NRBNOWQ2LXY \
  | 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: 4842481630a9becf8bcd885aeb434bbe0a94becf0b0931005c523324e81db540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43da36b6eb9ead64ca1c8a7deeefb41d7ba5d54335607b3982b28061b3bc2289",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-11-28T03:23:53Z",
    "title_canon_sha256": "6e237a5ce03df170bd3ba374abe374d2c1585942e4756841b3fe979b4b60cbf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9511132",
    "kind": "arxiv",
    "version": 1
  }
}