Pith Number

pith:GN74K4RX

pith:2008:GN74K4RXQC3VBZI7MUAB5GCCD2

not attested not anchored not stored refs pending

Deep infrared observations of the puzzling central X-ray source in RCW103

A. De Luca, G. Beccari, G. F. Bignami, P. A. Caraveo, R. P. Mignani, S. Mereghetti, S. Zaggia

arxiv:0803.2885 v1 · 2008-03-19 · 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{GN74K4RXQC3VBZI7MUAB5GCCD2}

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	2026-07-04T17:09:54.047021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

337fc5723780b750e51f65001e98421ea6849559a9e22b847f7177acb50440d5

Aliases

arxiv: 0803.2885 · arxiv_version: 0803.2885v1 · doi: 10.48550/arxiv.0803.2885 · pith_short_12: GN74K4RXQC3V · pith_short_16: GN74K4RXQC3VBZI7 · pith_short_8: GN74K4RX

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/GN74K4RXQC3VBZI7MUAB5GCCD2 \
  | 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: 337fc5723780b750e51f65001e98421ea6849559a9e22b847f7177acb50440d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3ce203141e2f3e1ea5bcee60df9cce5d98b56292ed3acbebdc5a3c5606a4d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-19T20:28:36Z",
    "title_canon_sha256": "bceb08e2fb6a2af94e189b0ea62fd165eb753e5e0e8cb427bef19c0b90daa084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2885",
    "kind": "arxiv",
    "version": 1
  }
}