Pith Number

pith:ZWUG4KAR

pith:2001:ZWUG4KARGHFZOK4Y7IERM2SRAF

not attested not anchored not stored refs pending

Comment on the first-order Fermi acceleration at ultra-relativistic shocks

Bochum), Cracow; ITP, Jagiellonian University, J. Bednarz (Astronomical Obs., M. Ostrowski, Ruhr University

arxiv:astro-ph/0101069 v2 · 2001-01-04 · 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{ZWUG4KARGHFZOK4Y7IERM2SRAF}

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	2026-05-18T04:21:42.388205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cda86e281131cb972b98fa09166a51016a25e41d8b07119064869af3541416e1

Aliases

arxiv: astro-ph/0101069 · arxiv_version: astro-ph/0101069v2 · doi: 10.48550/arxiv.astro-ph/0101069 · pith_short_12: ZWUG4KARGHFZ · pith_short_16: ZWUG4KARGHFZOK4Y · pith_short_8: ZWUG4KAR

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/ZWUG4KARGHFZOK4Y7IERM2SRAF \
  | 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: cda86e281131cb972b98fa09166a51016a25e41d8b07119064869af3541416e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd89a743cd0e3d52036583b9ad5e639ba9fe788e6ebcb2ffbdf93ba45a7f540e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-04T20:06:44Z",
    "title_canon_sha256": "800c251b71276eb3cfeacb6e7fd28a6905baf35e7973345408f8ff50bc159127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101069",
    "kind": "arxiv",
    "version": 2
  }
}