Pith Number

pith:54F7WB3Q

pith:2010:54F7WB3QWJEDNM6W6WT6V6QQOL

not attested not anchored not stored refs pending

Short-term VHE variability in blazars: PKS 2155-304

Francesca Volpe, Frank M. Rieger

arxiv:1007.4879 v1 · 2010-07-28 · 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{54F7WB3QWJEDNM6W6WT6V6QQOL}

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	2026-05-18T02:06:09.453491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef0bfb0770b24836b3d6f5a7eafa1072d1b314a353a89e48a04e8442953bec77

Aliases

arxiv: 1007.4879 · arxiv_version: 1007.4879v1 · doi: 10.48550/arxiv.1007.4879 · pith_short_12: 54F7WB3QWJED · pith_short_16: 54F7WB3QWJEDNM6W · pith_short_8: 54F7WB3Q

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/54F7WB3QWJEDNM6W6WT6V6QQOL \
  | 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: ef0bfb0770b24836b3d6f5a7eafa1072d1b314a353a89e48a04e8442953bec77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1551873de6ffc6845f5d6939356c6d1c1bba1faf0ea68c0dd4d7ae1f735a2602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-07-28T07:17:25Z",
    "title_canon_sha256": "7f0c1e7d58a0bb49b1b4ced408db1d644376861631549406ec38f8b7dc221432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4879",
    "kind": "arxiv",
    "version": 1
  }
}