Pith Number

pith:EZZHMNGO

pith:2004:EZZHMNGOCQEN3GVHAMSMRUJNQN

not attested not anchored not stored refs pending

VLTI/VINCI observations of the nucleus of NGC 1068 using the adaptive optics system MACAO

F. Paresce, G. Weigelt, M. Wittkowski, P. Kervella, R. Arsenault, T. Beckert

arxiv:astro-ph/0403497 v1 · 2004-03-20 · 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{EZZHMNGOCQEN3GVHAMSMRUJNQN}

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	2026-07-04T14:13:23.996191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26727634ce1408dd9aa70324c8d12d836cdebc679b88e321832ab35b0490c0a5

Aliases

arxiv: astro-ph/0403497 · arxiv_version: astro-ph/0403497v1 · doi: 10.48550/arxiv.astro-ph/0403497 · pith_short_12: EZZHMNGOCQEN · pith_short_16: EZZHMNGOCQEN3GVH · pith_short_8: EZZHMNGO

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/EZZHMNGOCQEN3GVHAMSMRUJNQN \
  | 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: 26727634ce1408dd9aa70324c8d12d836cdebc679b88e321832ab35b0490c0a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "457ceab6206a3077386e2131fd8a39ca6c895096fa2c971b0c42e65fd6dbc123",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-20T18:13:42Z",
    "title_canon_sha256": "c29795e244aa116e9a59fe347791818f37447a9a223e56f61c522da19c2f2d46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403497",
    "kind": "arxiv",
    "version": 1
  }
}