Pith Number

pith:IKSE6U5S

pith:2009:IKSE6U5SMZ7E4Z7ZMC5R6O3QJM

not attested not anchored not stored refs pending

Coordinated Fermi/Optical Monitoring of Blazars and the Great 2009 September Gamma-ray Flare of 3C 454.3

(2) NOAO/KPNO), B. T. Jannuzi (2) ((1) Steward Observatory, E. Montiel (1), G. D. Schmidt (1), J. Turner (1), P. S. Smith (1), S. Rightley (1), University of Arizona

arxiv:0912.3621 v1 · 2009-12-18 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKSE6U5SMZ7E4Z7ZMC5R6O3QJM}

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

5 papers in Pith

Multi-band optical photometric variability of the blazar OJ 287 from 2015 to 2025

Optical polarization variability and its relation to gamma-ray activity in blazars

Millimeter-wave Monitoring of Active Galactic Nuclei with the Africa Millimetre Telescope

Tracking down the broadband polarimetric properties of PG 1553+113

Spectro-Polarimetric Observations of TeV Sources (SPOTS): First results

Receipt and verification

First computed	2026-07-04T17:18:06.359145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42a44f53b2667e4e67f960bb1f3b704b243ac3f6c3eb5c8accb10c8612609438

Aliases

arxiv: 0912.3621 · arxiv_version: 0912.3621v1 · doi: 10.48550/arxiv.0912.3621 · pith_short_12: IKSE6U5SMZ7E · pith_short_16: IKSE6U5SMZ7E4Z7Z · pith_short_8: IKSE6U5S

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/IKSE6U5SMZ7E4Z7ZMC5R6O3QJM \
  | 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: 42a44f53b2667e4e67f960bb1f3b704b243ac3f6c3eb5c8accb10c8612609438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0561f36e4ac291c4eb5e8660de44f75ab64d58a7b061bbd926c1ce4ad2f3b74f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-18T09:37:02Z",
    "title_canon_sha256": "7173e99b40b4d29f33f8d67bad25b07b7c7c06f72b00e0492448705d70e7b2a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3621",
    "kind": "arxiv",
    "version": 1
  }
}