Pith Number

pith:YP52IRJD

pith:2015:YP52IRJDTHYDVVGUMHNMF3B6ZE

not attested not anchored not stored refs pending

Long term variability of the blazar PKS 2155-304

Frank Rieger, Gilles Maurin, Giovanni Lamanna (for the H.E.S.S. collaboration), Jean-Philippe Lenain, Jill Chevalier, Max Anton Kastendieck

arxiv:1509.03104 v2 · 2015-09-10 · 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{YP52IRJDTHYDVVGUMHNMF3B6ZE}

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

PKS 2155-304: Long-Term Optical Photometric Monitoring and Variability Analysis

Receipt and verification

First computed	2026-07-04T23:55:30.731369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3fba4452399f03ad4d461dac2ec3ec91c1a4af9a17ffba7e645084af2c0eb16

Aliases

arxiv: 1509.03104 · arxiv_version: 1509.03104v2 · doi: 10.48550/arxiv.1509.03104 · pith_short_12: YP52IRJDTHYD · pith_short_16: YP52IRJDTHYDVVGU · pith_short_8: YP52IRJD

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/YP52IRJDTHYDVVGUMHNMF3B6ZE \
  | 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: c3fba4452399f03ad4d461dac2ec3ec91c1a4af9a17ffba7e645084af2c0eb16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cca226f4448483f2fbd1bc00674bcd524e2a4dd1c6bb56f132933c3d78a512e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-10T11:27:17Z",
    "title_canon_sha256": "3b4d3d827b4a06eb2dfe3b9b60b7c7abda8aa89fc5d9f1338912a86fd1b7fdf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03104",
    "kind": "arxiv",
    "version": 2
  }
}