Pith Number

pith:EV4GC7CE

pith:2019:EV4GC7CEKEXS3375ZQHXIPIJL5

not attested not anchored not stored refs pending

Study on Temporal and Spectral behavior of 3C 279 during 2018 January flare

Naseer Iqbal, Ranjeev Misra, S. Sahayanathan, V. Jithesh, Zahir Shah

arxiv:1901.04184 v1 · 2019-01-14 · 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{EV4GC7CEKEXS3375ZQHXIPIJL5}

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	2026-07-05T02:45:30.660699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2578617c44512f2deffdcc0f743d095f44c4af423fff8e18c2333675c9b2dde4

Aliases

arxiv: 1901.04184 · arxiv_version: 1901.04184v1 · doi: 10.48550/arxiv.1901.04184 · pith_short_12: EV4GC7CEKEXS · pith_short_16: EV4GC7CEKEXS3375 · pith_short_8: EV4GC7CE

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/EV4GC7CEKEXS3375ZQHXIPIJL5 \
  | 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: 2578617c44512f2deffdcc0f743d095f44c4af423fff8e18c2333675c9b2dde4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c584ef157ccc6b72d8798934901db5d0e3e4a616dd719a7a49a4acf04f05c8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-14T08:42:23Z",
    "title_canon_sha256": "45ccc8bde786bc08c87b0931bbe77220a5a1f067e6574d4d7da44dacab20a0b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04184",
    "kind": "arxiv",
    "version": 1
  }
}