Pith Number

pith:HVHBS4AV

pith:2015:HVHBS4AVSLJ75VITOYSI3CTUZB

not attested not anchored not stored refs pending

Swift/UVOT grism monitoring of NGC 5548 in 2013: an attempt at MgII reverberation mapping

B. M. Peterson, E. M. Cackett, J. Troyer, K. Gultekin, M. C. Bentz, M. M. Fausnaugh, M. Vestergaard

arxiv:1503.02029 v2 · 2015-03-06 · astro-ph.GA · 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{HVHBS4AVSLJ75VITOYSI3CTUZB}

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	2026-05-18T01:33:06.147938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d4e19701592d3fed51376248d8a74c84b5ed6ffb9fead2f27a440bf208ef303

Aliases

arxiv: 1503.02029 · arxiv_version: 1503.02029v2 · doi: 10.48550/arxiv.1503.02029 · pith_short_12: HVHBS4AVSLJ7 · pith_short_16: HVHBS4AVSLJ75VIT · pith_short_8: HVHBS4AV

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/HVHBS4AVSLJ75VITOYSI3CTUZB \
  | 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: 3d4e19701592d3fed51376248d8a74c84b5ed6ffb9fead2f27a440bf208ef303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54b56000ac3e09f955830794fa5cb30b295e2133712f7674896fb39af52d7319",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-06T18:23:09Z",
    "title_canon_sha256": "5a489233942bc3fbbe3d3a5cd6fe6660f96af13f315fa91068ed98177fb81e13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02029",
    "kind": "arxiv",
    "version": 2
  }
}