Pith Number

pith:CZF7A4AB

pith:2012:CZF7A4ABJX5X2D4522K3DVF7L3

not attested not anchored not stored refs pending

An Optical-Near-Infrared Outburst with No Accompanying Gamma-Rays in the Blazar PKS 0208-512

C. D. Bailyn (Yale), C. M. Urry, E. W. Bonning, G. Fossati (Rice), J. Isler, L. Maraschi (INAF), M. Buxton, P. Coppi (Yale), Ritaban Chatterjee (Yale)

arxiv:1212.2629 v1 · 2012-12-11 · 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{CZF7A4ABJX5X2D4522K3DVF7L3}

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	2026-05-18T01:52:39.873090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164bf070014dfb7d0f9dd695b1d4bf5ec14cbf4327471427c91883ac6961d14d

Aliases

arxiv: 1212.2629 · arxiv_version: 1212.2629v1 · doi: 10.48550/arxiv.1212.2629 · pith_short_12: CZF7A4ABJX5X · pith_short_16: CZF7A4ABJX5X2D45 · pith_short_8: CZF7A4AB

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/CZF7A4ABJX5X2D4522K3DVF7L3 \
  | 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: 164bf070014dfb7d0f9dd695b1d4bf5ec14cbf4327471427c91883ac6961d14d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4097c8a388add7f5c9b8f076cb4aecc793ced731cbc1e9b7c8cfa562e682dd05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-12-11T21:00:00Z",
    "title_canon_sha256": "af0269af85d3350c2095de918fb250778a7ee193e4f64c1d359cbe606ae8ef55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2629",
    "kind": "arxiv",
    "version": 1
  }
}