Pith Number

pith:2W66B6V4

pith:2009:2W66B6V433REXMRC2HKAUDWE2Z

not attested not anchored not stored refs pending

Measuring Cosmic Elements with Gamma-Ray Telescopes

Roland Diehl

arxiv:0907.5536 v1 · 2009-07-31 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2W66B6V433REXMRC2HKAUDWE2Z}

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	2026-05-18T02:12:45.693211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5bde0fabcdee24bb222d1d40a0ec4d643ddf456d3e97b1c2604bebc600127c5

Aliases

arxiv: 0907.5536 · arxiv_version: 0907.5536v1 · doi: 10.48550/arxiv.0907.5536 · pith_short_12: 2W66B6V433RE · pith_short_16: 2W66B6V433REXMRC · pith_short_8: 2W66B6V4

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/2W66B6V433REXMRC2HKAUDWE2Z \
  | 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: d5bde0fabcdee24bb222d1d40a0ec4d643ddf456d3e97b1c2604bebc600127c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63b7087db333e2950d23ff010869549af3313e3771a6c29b016acde470feb487",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-31T14:02:36Z",
    "title_canon_sha256": "f74ba5377201962aba4411c82d5df90e0d73128458ef4b024f43a090eead61f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5536",
    "kind": "arxiv",
    "version": 1
  }
}