Pith Number

pith:FDHVDQWH

pith:2003:FDHVDQWH25XITESVBYV66LEVDB

not attested not anchored not stored refs pending

EGRET upper limits on the high-energy gamma-ray emission of galaxy clusters

J.R.Mattox, M. Pohl, O. Reimer, P. Sreekumar

arxiv:astro-ph/0301362 v1 · 2003-01-17 · 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{FDHVDQWH25XITESVBYV66LEVDB}

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	2026-07-04T15:20:10.597738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28cf51c2c7d76e8992550e2bef2c95187400f4cb87b9a15069326ea6697ae025

Aliases

arxiv: astro-ph/0301362 · arxiv_version: astro-ph/0301362v1 · doi: 10.48550/arxiv.astro-ph/0301362 · pith_short_12: FDHVDQWH25XI · pith_short_16: FDHVDQWH25XITESV · pith_short_8: FDHVDQWH

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/FDHVDQWH25XITESVBYV66LEVDB \
  | 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: 28cf51c2c7d76e8992550e2bef2c95187400f4cb87b9a15069326ea6697ae025

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7a05277e8ee48f4f5f60f848400571320f870e7ca9c9ea81f2d75ad433bc8e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-17T17:39:01Z",
    "title_canon_sha256": "20a9c95161b4fcb4780247b1a1b355b8be6a473258197e5ea754139556cc6b86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301362",
    "kind": "arxiv",
    "version": 1
  }
}