Pith Number

pith:PVBFYH72

pith:2003:PVBFYH72E5I24VKIC5YRJKIZPO

not attested not anchored not stored refs pending

Astrophysical imaging with the Darwin IR interferometer

C. Eiroa, G. Rudnick, H. J. A. Rottgering, I. Labbe, L. d'Arcio

arxiv:astro-ph/0308538 v1 · 2003-08-29 · 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{PVBFYH72E5I24VKIC5YRJKIZPO}

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	2026-07-04T14:12:51.553801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d425c1ffa2751ae5548177114a9197b86f7a84599b0a2e0bcfdad2d804dc61c

Aliases

arxiv: astro-ph/0308538 · arxiv_version: astro-ph/0308538v1 · doi: 10.48550/arxiv.astro-ph/0308538 · pith_short_12: PVBFYH72E5I2 · pith_short_16: PVBFYH72E5I24VKI · pith_short_8: PVBFYH72

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/PVBFYH72E5I24VKIC5YRJKIZPO \
  | 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: 7d425c1ffa2751ae5548177114a9197b86f7a84599b0a2e0bcfdad2d804dc61c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0954c2f878353deacc13b94447d43045dadddc80714e0c11dc1f4bfebb9297",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-29T15:45:27Z",
    "title_canon_sha256": "86231cd076d271b5c376efe0d053cf841ae46d467c770d2f7e6f5fdc187654ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308538",
    "kind": "arxiv",
    "version": 1
  }
}