Pith Number

pith:BYMYDYOH

pith:2012:BYMYDYOH6PSWDCWOZI4YQFQ437

not attested not anchored not stored refs pending

Continuum reverberation mapping in a z = 1.41 radio-loud quasar

L. J. Goicoechea, R. Gil-Merino, V. F. Braga, V. N. Shalyapin

arxiv:1201.4125 v1 · 2012-01-19 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYMYDYOH6PSWDCWOZI4YQFQ437}

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	2026-05-18T01:58:46.645801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e1981e1c7f3e5618aceca3988161cdfe8c01efe17dd46ebd520f94fcb12c872

Aliases

arxiv: 1201.4125 · arxiv_version: 1201.4125v1 · doi: 10.48550/arxiv.1201.4125 · pith_short_12: BYMYDYOH6PSW · pith_short_16: BYMYDYOH6PSWDCWO · pith_short_8: BYMYDYOH

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/BYMYDYOH6PSWDCWOZI4YQFQ437 \
  | 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: 0e1981e1c7f3e5618aceca3988161cdfe8c01efe17dd46ebd520f94fcb12c872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aba499fec8a96c7c2781120cc98282580ce0189386e134563a151224817cff42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-19T17:58:13Z",
    "title_canon_sha256": "9fc8104de6e15b3bafbf617df5b1ec42cb185cae2aa5e11469fa059c22cff5d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4125",
    "kind": "arxiv",
    "version": 1
  }
}