Pith Number

pith:SPYREWYK

pith:2007:SPYREWYKUOHD7JB33UR32WEHD4

not attested not anchored not stored refs pending

Observation of GRBs by the MAGIC Telescope, Status and Outlook

D. Bastieri, F. Longo, M. Garczarczyk, M. Gaug, N. Galante, S. Mizobuchi, V. Scapin

arxiv:0709.1380 v1 · 2007-09-10 · 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{SPYREWYKUOHD7JB33UR32WEHD4}

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	2026-07-04T15:04:07.819861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f1125b0aa38e3fa43bdd23bd58871f138a3185c249560b17bcb851e29baa7a

Aliases

arxiv: 0709.1380 · arxiv_version: 0709.1380v1 · doi: 10.48550/arxiv.0709.1380 · pith_short_12: SPYREWYKUOHD · pith_short_16: SPYREWYKUOHD7JB3 · pith_short_8: SPYREWYK

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/SPYREWYKUOHD7JB33UR32WEHD4 \
  | 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: 93f1125b0aa38e3fa43bdd23bd58871f138a3185c249560b17bcb851e29baa7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9210ceb47c282c82e9d333ba3332a3ecb428b7ed77a2798bec568b8d97abeeda",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-10T12:58:41Z",
    "title_canon_sha256": "8400946b0a6d44dc4fa362020d6c40ce4fb1d9017df2882959ef0905f43eb0d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.1380",
    "kind": "arxiv",
    "version": 1
  }
}