Pith Number

pith:4HFVFSNX

pith:2023:4HFVFSNX7JJHUAQQUG754QRWSK

not attested not anchored not stored refs pending

The NectarCAM Timing System

A. P\'erez, B. Vallage, C. Champion, D. Hoffmann, F. Bradascio, F. Brun, F. Louis, H. Rueda, J.A. Barrio, J. Biteau, J-F. Glicenstein, J.P. Lenain, K.-H. Sulanke, L. A. Tejedor, M. Punch, P. Jean, P. Sizun

arxiv:2301.13828 v2 · 2023-01-31 · astro-ph.IM · 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{4HFVFSNX7JJHUAQQUG754QRWSK}

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	2026-07-05T06:25:39.639478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1cb52c9b7fa527a0210a1bfde42369281a200e18e2c8a70569e8d378c86f3d1

Aliases

arxiv: 2301.13828 · arxiv_version: 2301.13828v2 · doi: 10.48550/arxiv.2301.13828 · pith_short_12: 4HFVFSNX7JJH · pith_short_16: 4HFVFSNX7JJHUAQQ · pith_short_8: 4HFVFSNX

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/4HFVFSNX7JJHUAQQUG754QRWSK \
  | 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: e1cb52c9b7fa527a0210a1bfde42369281a200e18e2c8a70569e8d378c86f3d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e2ddcc9c762cd234ef6e91638a81c3d5cabe2a6edf1fe46abbfad4ecfb1d3d5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-01-31T18:13:00Z",
    "title_canon_sha256": "cf8be74b9b6450fc36185753fe892d94ebf6f362de0afd9c819583a54e221635"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13828",
    "kind": "arxiv",
    "version": 2
  }
}