Pith Number

pith:2M3BCJJW

pith:2013:2M3BCJJWEJASEI4NK62NZNT3WW

not attested not anchored not stored refs pending

Feasibility of utilizing Cherenkov Telescope Array gamma-ray telescopes as free-space optical communication ground stations

Alberto Carrasco-Casado, Juan Francisco Cabrero, Mariafernanda Vilera, Ricardo Vergaz

arxiv:1305.4753 v1 · 2013-05-21 · astro-ph.IM · physics.ins-det · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2M3BCJJWEJASEI4NK62NZNT3WW}

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	2026-05-18T03:25:15.303875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d336112536224122238d57b4dcb67bb5bec43574dcdc54e526c28c499e240f82

Aliases

arxiv: 1305.4753 · arxiv_version: 1305.4753v1 · doi: 10.48550/arxiv.1305.4753 · pith_short_12: 2M3BCJJWEJAS · pith_short_16: 2M3BCJJWEJASEI4N · pith_short_8: 2M3BCJJW

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/2M3BCJJWEJASEI4NK62NZNT3WW \
  | 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: d336112536224122238d57b4dcb67bb5bec43574dcdc54e526c28c499e240f82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4394306f62b29254581fe3921b0aacc1eb40e92c2db13f703321b13043a19af",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-05-21T08:19:18Z",
    "title_canon_sha256": "e6b15f94e5e3f92dd27c4a631080f8df6794651bc1bd3e50b520109584e35e25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4753",
    "kind": "arxiv",
    "version": 1
  }
}