Pith Number

pith:O4WZOCXO

pith:2007:O4WZOCXONEBJB6R5NGMA4OSCTH

not attested not anchored not stored refs pending

Resolving the Stellar Populations in the Circumnuclear Ring of NGC 7469

(2) Anglo-Australian Observatory, (3) University of Hertfordshire, Almudena Alonso-Herrero (1), Australia, CSIC, IEM, Johan H. Knapen (3) ((1) DAMIR, Luis Colina (1), Spain, Stuart D. Ryder (2), Tanio Diaz-Santos (1), UK)

arxiv:astro-ph/0701557 v1 · 2007-01-19 · 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{O4WZOCXONEBJB6R5NGMA4OSCTH}

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	2026-05-18T04:29:07.082974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772d970aee690290fa3d69980e3a4299d3c999e745f5f3f86fe6664ec489020a

Aliases

arxiv: astro-ph/0701557 · arxiv_version: astro-ph/0701557v1 · doi: 10.48550/arxiv.astro-ph/0701557 · pith_short_12: O4WZOCXONEBJ · pith_short_16: O4WZOCXONEBJB6R5 · pith_short_8: O4WZOCXO

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/O4WZOCXONEBJB6R5NGMA4OSCTH \
  | 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: 772d970aee690290fa3d69980e3a4299d3c999e745f5f3f86fe6664ec489020a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0de74f462da38c197bb486abf8884f7badbe2c367181958f2fb9125a873fa439",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-19T11:02:05Z",
    "title_canon_sha256": "0edb6422bc66bc66fb133fd7c4732c274a1d003206398331e575cf7766ab4cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701557",
    "kind": "arxiv",
    "version": 1
  }
}