Pith Number

pith:3QIC7X4G

pith:2015:3QIC7X4GJDCAGKPPXIYP3G56W2

not attested not anchored not stored refs pending

Constraints on the broad line region from regularized linear inversion: Velocity-delay maps for five nearby active galactic nuclei

Aaron J. Barth, Andreas Skielboe, Anna Pancoast, Daeseong Park, Misty C. Bentz, Tommaso Treu

arxiv:1502.02031 v2 · 2015-02-06 · 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{3QIC7X4GJDCAGKPPXIYP3G56W2}

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	2026-05-18T01:32:30.225075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc102fdf8648c40329efba30fd9bbeb69ac0e61d611630ce267a4778ce8770fa

Aliases

arxiv: 1502.02031 · arxiv_version: 1502.02031v2 · doi: 10.48550/arxiv.1502.02031 · pith_short_12: 3QIC7X4GJDCA · pith_short_16: 3QIC7X4GJDCAGKPP · pith_short_8: 3QIC7X4G

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/3QIC7X4GJDCAGKPPXIYP3G56W2 \
  | 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: dc102fdf8648c40329efba30fd9bbeb69ac0e61d611630ce267a4778ce8770fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce499ef8ed5a0793c118de730c257f9c3ae382524aac2db950fac50daf68b14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-06T21:00:01Z",
    "title_canon_sha256": "0cd4f6e86e04a1523baeefde153553a849ea62db36187f75fe27afc8deafd623"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02031",
    "kind": "arxiv",
    "version": 2
  }
}