Pith Number

pith:2IXI3NQZ

pith:2010:2IXI3NQZMWSSR6TCJZCMVVBJN6

not attested not anchored not stored refs pending

A change in the optical polarization associated with a gamma-ray flare in the blazar 3C 279

members of the 3C 279 multi-band campaign, The Fermi-LAT Collaboration

arxiv:1004.3828 v1 · 2010-04-22 · astro-ph.CO · 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{2IXI3NQZMWSSR6TCJZCMVVBJN6}

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

A Rare Gamma-ray Flaring episode of the Narrow-Line Seyfert 1 Galaxy 1H 0323+342

Receipt and verification

First computed	2026-05-18T04:35:46.078921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22e8db61965a528fa624e44cad4296fb94b801a4ee3b56cb181a3ff75ed1dba

Aliases

arxiv: 1004.3828 · arxiv_version: 1004.3828v1 · doi: 10.48550/arxiv.1004.3828 · pith_short_12: 2IXI3NQZMWSS · pith_short_16: 2IXI3NQZMWSSR6TC · pith_short_8: 2IXI3NQZ

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/2IXI3NQZMWSSR6TCJZCMVVBJN6 \
  | 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: d22e8db61965a528fa624e44cad4296fb94b801a4ee3b56cb181a3ff75ed1dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df5cb276df16effc1ef216fd7b65b3bedc84e4d04c97343c4bdce7ac664109e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-22T02:10:11Z",
    "title_canon_sha256": "d2c1830b6934ed1b4b779bee63f4d36ccb73845efe1adcd736281c67fe8ee790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3828",
    "kind": "arxiv",
    "version": 1
  }
}