Pith Number

pith:TNB7QUZN

pith:2007:TNB7QUZNCB7GP74GUDEJN7ZHEN

not attested not anchored not stored refs pending

Discovery of very high energy gamma-ray emission from the low-frequency peaked BL Lacertae object BL Lacertae

et al, MAGIC Collaboration: J. Albert

arxiv:astro-ph/0703084 v2 · 2007-03-05 · 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{TNB7QUZNCB7GP74GUDEJN7ZHEN}

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.

Cited by

1 paper in Pith

Tracking down the broadband polarimetric properties of PG 1553+113

Receipt and verification

First computed	2026-07-04T17:07:44.504379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b43f8532d107e67ff86a0c896ff272344565f97936faa207374c4b52f5ec562

Aliases

arxiv: astro-ph/0703084 · arxiv_version: astro-ph/0703084v2 · doi: 10.48550/arxiv.astro-ph/0703084 · pith_short_12: TNB7QUZNCB7G · pith_short_16: TNB7QUZNCB7GP74G · pith_short_8: TNB7QUZN

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/TNB7QUZNCB7GP74GUDEJN7ZHEN \
  | 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: 9b43f8532d107e67ff86a0c896ff272344565f97936faa207374c4b52f5ec562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dec6fc663ea35cd0b06a889c301861b4e43ce8d71080831c6f41660e661e1570",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-05T20:50:55Z",
    "title_canon_sha256": "9470828926ecf85a97daa8930475a86f80a25341f7730fb4144bce0c8cf44bae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703084",
    "kind": "arxiv",
    "version": 2
  }
}