Pith Number

pith:CM52NWTK

pith:2005:CM52NWTKBEFVHWEQPFI2DZWK63

not attested not anchored not stored refs pending

SPI energy calibration

C. Wunderer, G.K. Skinner, G. Weidenspointner, J. Knodlseder, J.P. Roques, P. Jean, P. Paul, P. von Ballmoos, S. Schanne, V. Lonjou

arxiv:astro-ph/0504325 v1 · 2005-04-14 · 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{CM52NWTKBEFVHWEQPFI2DZWK63}

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	2026-07-04T14:14:08.730143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

133ba6da6a090b53d8907951a1e6caf6d4a4c19eddb1485fd28ef33eedff3b39

Aliases

arxiv: astro-ph/0504325 · arxiv_version: astro-ph/0504325v1 · doi: 10.48550/arxiv.astro-ph/0504325 · pith_short_12: CM52NWTKBEFV · pith_short_16: CM52NWTKBEFVHWEQ · pith_short_8: CM52NWTK

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/CM52NWTKBEFVHWEQPFI2DZWK63 \
  | 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: 133ba6da6a090b53d8907951a1e6caf6d4a4c19eddb1485fd28ef33eedff3b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf862d01512a7005fae9c14d6aff02584a48a11560fdcab8a4b76b075db876b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-14T16:38:53Z",
    "title_canon_sha256": "4634d8d9ace4314fe5fc35646c338c31e81b6db4d15c7d63580e430e8b0b258b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504325",
    "kind": "arxiv",
    "version": 1
  }
}