Pith Number

pith:IPR5PUP5

pith:2015:IPR5PUP5AAWTNEJDIMR25PUA37

not attested not anchored not stored refs pending

Infrared Time Lags for the Periodic Quasar PG 1302-102

Amy Mainzer, Andrew J. Drake, Ashish A. Mahabal, Daniel Stern, Hyunsung D. Jun, Matthew J. Graham, Roc M. Cutri, S. G. Djorgovski

arxiv:1511.01515 v1 · 2015-11-04 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPR5PUP5AAWTNEJDIMR25PUA37}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:27:45.392507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43e3d7d1fd002d3691234323aebe80dfc753707955fc5904856ea7d2ade6319e

Aliases

arxiv: 1511.01515 · arxiv_version: 1511.01515v1 · doi: 10.48550/arxiv.1511.01515 · pith_short_12: IPR5PUP5AAWT · pith_short_16: IPR5PUP5AAWTNEJD · pith_short_8: IPR5PUP5

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/IPR5PUP5AAWTNEJDIMR25PUA37 \
  | 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: 43e3d7d1fd002d3691234323aebe80dfc753707955fc5904856ea7d2ade6319e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8836227a0ec99928bdaf601c686871662ef9466681d16652b6acaf86f050161b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-04T21:11:41Z",
    "title_canon_sha256": "b6f0de3ef2c7e2bd4eb26bae730384e6306fac655077b5da9ba917c30db71ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01515",
    "kind": "arxiv",
    "version": 1
  }
}