Pith Number

pith:6OZ5CANB

pith:1996:6OZ5CANBFOXLF7Q7UTHMKLIFH5

not attested not anchored not stored refs pending

The Nuclear Region of M51 Imaged with the HST Planetary Camera

Carl J. Grillmair, C. R. Lynds, E. J. O'Neil, J. J. Hester, Jr., P. A. Scowen, S. M. Faber, Tod R. Lauer

arxiv:astro-ph/9610111 v1 · 1996-10-15 · 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{6OZ5CANBFOXLF7Q7UTHMKLIFH5}

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	2026-05-18T03:47:42.813822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3b3d101a12baeb2fe1fa4cec52d053f70207e6a05cd3063397676d2deece9fd

Aliases

arxiv: astro-ph/9610111 · arxiv_version: astro-ph/9610111v1 · doi: 10.48550/arxiv.astro-ph/9610111 · pith_short_12: 6OZ5CANBFOXL · pith_short_16: 6OZ5CANBFOXLF7Q7 · pith_short_8: 6OZ5CANB

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/6OZ5CANBFOXLF7Q7UTHMKLIFH5 \
  | 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: f3b3d101a12baeb2fe1fa4cec52d053f70207e6a05cd3063397676d2deece9fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccc5f663365cca9e26035fc48fe11d8fd3c61feabb7b18b6a317d26ff972b22e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-10-15T19:05:57Z",
    "title_canon_sha256": "27530333db5a5efd7390b87c979b45fc5ddb560685833f3162d501c4ee3ccceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9610111",
    "kind": "arxiv",
    "version": 1
  }
}