Pith Number

pith:XNQ4TGIW

pith:2007:XNQ4TGIWFHYVEQUIIQCB5V4ZP4

not attested not anchored not stored refs pending

Launch of the Space experiment PAMELA

A. Basili, A. M. Galper, A. N. Kvashnin, A. Vacchi, C. De Marzo, D. Campana, D. Fedele, E. A. Bogomolov, E. Mocchiutti, E. Taddei, E. Vannuccini, F. Altamura, F. Cafagna, G. A. Bazilevskaja, G. Castellini, G. C. Barbarino, G. De Rosa, G. Osteria, G. Zampa, J. Lund, J. Lundquist, L. Bonechi, L. Bongiorno, L. Marcelli, M. Ambriola, M. Boezio, M. Bongi, M. Casolino, M. F. Runtso, M. Minori, M. Nagni, M. P. De Pascale, M. Pearce, M. Ricci, M. Simon, N. De Simone, N. N. Nikonov, N. Zampa, O. Adriani, O. Maksumov, P. Carlson, P. Hofverberg, P. Papini, P. Picozza, P. Spillantini, R. Sparvoli, S. A. Voronov, S. B. Ricciarini, S. Misin, S. Orsi, S. Russo, S. Yu. Krutkov, V. Bonvicini, V. Di Felice, V. G. Zverev, V. V. Mikhailov, W. Menn, Y. T. Yurkin, Yu. I. Stozhkov

arxiv:0708.1808 v1 · 2007-08-14 · 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{XNQ4TGIWFHYVEQUIIQCB5V4ZP4}

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	2026-07-04T15:44:29.882426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb61c9991629f152428844041ed7997f0fcb8862900e7d82ecb7ecbd391c41b0

Aliases

arxiv: 0708.1808 · arxiv_version: 0708.1808v1 · doi: 10.48550/arxiv.0708.1808 · pith_short_12: XNQ4TGIWFHYV · pith_short_16: XNQ4TGIWFHYVEQUI · pith_short_8: XNQ4TGIW

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/XNQ4TGIWFHYVEQUIIQCB5V4ZP4 \
  | 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: bb61c9991629f152428844041ed7997f0fcb8862900e7d82ecb7ecbd391c41b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e4bb61bcf5663ec6450bbf537df7d5d2606e14c738dd6ee26641e3fae216cf5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-14T06:51:41Z",
    "title_canon_sha256": "e4a7d1c6fe1bf9527cb329c567efb8df9b212a90252c75de8475a0b7e6384931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.1808",
    "kind": "arxiv",
    "version": 1
  }
}