Pith Number

pith:RMTAKXAX

pith:2019:RMTAKXAXZZ6UYDSG7EEMVI62DV

not attested not anchored not stored refs pending

Optical Flux and Spectral Variability of the TeV blazar PG 1553+113

Alok C. Gupta, Ashwani Pandey, Paul J. Wiita, S. N. Tiwari

arxiv:1901.06696 v1 · 2019-01-20 · 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{RMTAKXAXZZ6UYDSG7EEMVI62DV}

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	2026-05-17T23:49:59.337415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b26055c17ce7d4c0e46f908caa3da1d6695ea988aff568cba496dfc89b84945

Aliases

arxiv: 1901.06696 · arxiv_version: 1901.06696v1 · doi: 10.48550/arxiv.1901.06696 · pith_short_12: RMTAKXAXZZ6U · pith_short_16: RMTAKXAXZZ6UYDSG · pith_short_8: RMTAKXAX

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/RMTAKXAXZZ6UYDSG7EEMVI62DV \
  | 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: 8b26055c17ce7d4c0e46f908caa3da1d6695ea988aff568cba496dfc89b84945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "218e658263681778365338f093465f9f119fb1c559229d030756fb2886234ce6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-20T16:36:06Z",
    "title_canon_sha256": "256181674cd5d8d9180c1d183ab276a6298b7e2126f501aef8239f4eadcfbf8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06696",
    "kind": "arxiv",
    "version": 1
  }
}