Pith Number

pith:3GOYF6EC

pith:2006:3GOYF6ECSW6JHJWACM46SLXZ5U

not attested not anchored not stored refs pending

Photometric Survey of the Polar ring galaxy NGC 6822

P. Battinelli, S. Demers, W.E. Kunkel

arxiv:astro-ph/0603558 v1 · 2006-03-21 · 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{3GOYF6ECSW6JHJWACM46SLXZ5U}

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	2026-05-18T01:07:25.497500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d99d82f88295bc93a6c01339e92ef9ed3c178fb7dd17341eee8f19ec4ba8ee4e

Aliases

arxiv: astro-ph/0603558 · arxiv_version: astro-ph/0603558v1 · doi: 10.48550/arxiv.astro-ph/0603558 · pith_short_12: 3GOYF6ECSW6J · pith_short_16: 3GOYF6ECSW6JHJWA · pith_short_8: 3GOYF6EC

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/3GOYF6ECSW6JHJWACM46SLXZ5U \
  | 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: d99d82f88295bc93a6c01339e92ef9ed3c178fb7dd17341eee8f19ec4ba8ee4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f394ccbd628afd326967ba0f639a7275a3613bfd1d3ec525aa5651f410b71de1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-21T09:05:27Z",
    "title_canon_sha256": "362f5ea1f5b842a7a0b40a8f5d4fcc569d0b282cb88c092b566f27a23656c74e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603558",
    "kind": "arxiv",
    "version": 1
  }
}